COVID-19 pandemic in the San Francisco Bay Area
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San Francisco Bay Area The San Francisco Bay Area, often referred to as simply the Bay Area, is a populous region surrounding the San Francisco, San Pablo, and Suisun Bay estuaries in Northern California. The Bay Area is defined by the Association of Bay Area G ...
, which includes the major cities of San Jose,
San Francisco San Francisco (; Spanish for " Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the fourth most populous in California and 17t ...
, and
Oakland Oakland is the largest city and the county seat of Alameda County, California, United States. A major West Coast port, Oakland is the largest city in the East Bay region of the San Francisco Bay Area, the third largest city overall in the Bay ...
, was an early center of the
COVID-19 pandemic in California Ten of the first twenty confirmed COVID-19 cases in the United States occurred in California, the first of which was confirmed on January 26, 2020. All of the early confirmed cases were persons who had recently travelled to China, as testing wa ...
. The first case of
COVID-19 Coronavirus disease 2019 (COVID-19) is a contagious disease caused by a virus, the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The first known case was identified in Wuhan, China, in December 2019. The disease quick ...
in the area was confirmed in
Santa Clara County Santa Clara County, officially the County of Santa Clara, is the sixth-most populous county in the U.S. state of California, with a population of 1,936,259, as of the 2020 census. Santa Clara County and neighboring San Benito County together ...
on January 31, 2020. A Santa Clara County resident (with no foreign travel history) was the earliest known death caused by COVID-19 in the United States, on February 6, suggesting that community spread of COVID-19 had been occurring long before any actual documented case. This article covers the 13 members of ABAHO, which includes the nine-county Bay Area plus the counties of Monterey, San Benito, and Santa Cruz. Local officials instituted some of the first mitigation efforts in the United States. The first mandatory
stay-at-home order A stay-at-home order, safer-at-home order, movement control order (more common in Southeast Asia), or lockdown restrictions (in the United Kingdom) – also referred to by loose use of the terms (self-) quarantine, (self-) isolation, or lockdow ...
in the mainland U.S. took effect throughout the Bay Area on March 16 and 17 and continued until mid-May, affecting nearly 6.7 million people. The early government response is credited with mitigating the spread of infection compared to cities on the East Coast. Closures due to the pandemic have resulted in mass unemployment and significant disruptions to the economy, replacing local governments' budget surpluses with historic deficits. The pandemic accelerated the adoption of
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among schools and
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among businesses, especially in the technology industry. Air quality around
San Francisco Bay San Francisco Bay is a large tidal estuary in the U.S. state of California, and gives its name to the San Francisco Bay Area. It is dominated by the big cities of San Francisco, San Jose, and Oakland. San Francisco Bay drains water f ...
improved as a result of a temporary decline in traffic volume.


Prevalence

Despite strong economic, cultural, and travel ties between California and China, the Bay Area's hospitalization rate and death toll have stayed below initial projections and have compared favorably to East Coast cities. Researchers have hypothesized that the pandemic's initial impact was blunted by relatively early
social distancing In public health, social distancing, also called physical distancing, (NB. Regula Venske is president of the PEN Centre Germany.) is a set of non-pharmaceutical interventions or measures intended to prevent the spread of a contagious dis ...
measures along with a variety of other factors, including lower population density, a strong
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and low public transportation ridership, favorable weather in February, and even a loss by the
San Francisco 49ers The San Francisco 49ers (also written as the San Francisco Forty-Niners) are a professional American football team based in the San Francisco Bay Area. The 49ers compete in the National Football League (NFL) as a member of the league's Nationa ...
at
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, discouraging celebrations. , the nine counties of the Bay Area plus Santa Cruz County have reported a cumulative total of 13,060 confirmed cases and 434 confirmed deaths due to COVID-19.
Alameda County Alameda County ( ) is a county located in the U.S. state of California. As of the 2020 census, the population was 1,682,353, making it the 7th-most populous county in the state and 21st most populous nationally. The county seat is Oakland. Alam ...
has more confirmed cases and deaths than any other county in
Northern California Northern California (colloquially known as NorCal) is a geographic and cultural region that generally comprises the northern portion of the U.S. state of California. Spanning the state's northernmost 48 counties, its main population centers incl ...
, followed by Contra Costa County. Some counties have released breakdowns of cases by jurisdiction. In Alameda County, Hayward has the highest per capita rate of infection at 270.2 people per every 100,000, while
Oakland Oakland is the largest city and the county seat of Alameda County, California, United States. A major West Coast port, Oakland is the largest city in the East Bay region of the San Francisco Bay Area, the third largest city overall in the Bay ...
has the highest number of cases. San Mateo and San Jose have the highest number of cases in San Mateo and Santa Clara counties, respectively. , the North Bay counties of Marin, Napa, and Sonoma have reported a cumulative total of recoveries from COVID-19. The other Bay Area counties do not report the number of recoveries, because tracking this number requires more resources per case and federal guidelines are not specific enough to draw conclusions. A study at the
University of California, San Francisco The University of California, San Francisco (UCSF) is a public land-grant research university in San Francisco, California. It is part of the University of California system and is dedicated entirely to health science and life science. It ...
(UCSF), is tracking outcomes several months after infection. The Hispanic population in the Bay Area has been disproportionately affected by infections. The poor, largely Latino neighborhoods in
East San Jose East San Jose (abbreviated as ESJ), commonly called The East Side and less commonly as the East Valley, is the eastern region of the city of San Jose, California. The East Side is made up of numerous neighborhoods grouped into two larger distric ...
account for 34% of Santa Clara County's first deaths due to COVID-19 despite being Latinos making up only 23% of the adult population. Almost 70% of the neighborhoods' working-age population is unable to
remote work Remote work, also called work from home (WFH), work from anywhere, telework, remote job, mobile work, and distance work is an employment arrangement in which employees do not commute to a central place of work, such as an office building, ware ...
. Also
Filipino Americans Filipino Americans ( fil, Mga Pilipinong Amerikano) are Americans of Filipino ancestry. Filipinos and other Asian ethnicities in North America were first documented in the 16th century as slaves and prisoners on ships sailing to and from New ...
in the Bay Area have also been disproportionately affected by COVID-19 infections, and make up the majority of cases in
San Mateo County, California San Mateo County ( ), officially the County of San Mateo, is a county located in the U.S. state of California. As of the 2020 census, the population was 764,442. Redwood City is the county seat, and the third most populated city following Dal ...
. In
San Francisco San Francisco (; Spanish for " Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the fourth most populous in California and 17t ...
, about 40% of Hispanics have been confirmed infected, compared to 15% of the general population. The largely Latino
Mission District The Mission District (Spanish: ''Distrito de la Misión''), commonly known as The Mission (Spanish: ''La Misión''), is a neighborhood in San Francisco, California. One of the oldest neighborhoods in San Francisco, the Mission District's name is ...
has the highest number of cases of any neighborhood, with more than 40 cases per 10,000 residents. UCSF systematically tested 2,959 residents in a 16-block
census tract A census tract, census area, census district or meshblock is a geographic region defined for the purpose of taking a census. Sometimes these coincide with the limits of cities, towns or other administrative areas and several tracts commonly exis ...
in the Mission District in April, finding that 2% tested positive. Infection rates differed significantly between essential workers and residents who were able to stay at home during the pandemic. Localized outbreaks of COVID-19 have occurred at factories and care facilities, including the Tesla factory in Fremont where over 130 people tested positive, the Lusamerica Foods fish packing plant in Morgan Hill where 38 people tested positive, the Central Gardens skilled nursing home in San Francisco's
Western Addition The Western Addition is a district in San Francisco, California, United States. Location The Western Addition is located between Van Ness Avenue, the Richmond District, the Haight-Ashbury and Lower Haight neighborhoods, and Pacific Heights. T ...
where four residents died, and the Windsor Vallejo Care Center in Vallejo where more than 130 people became infected and eleven residents died. The number of confirmed cases is believed to fall significantly short of actual infection rates due to limited testing capacity throughout the pandemic. , San Francisco has collected 5,000 tests for every 100,000 residents, while Santa Clara County has collected about 2,600 tests for every 100,000 residents. Santa Clara County set up three testing sites in San Jose, but the sites are operating well below capacity, in part because of Spanish- and Vietnamese-language barriers. Several local studies have attempted to determine seroprevalence in the absence of widespread clinical testing. Based on serology tests in early April, a revised
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study from
Stanford University Stanford University, officially Leland Stanford Junior University, is a private research university in Stanford, California. The campus occupies , among the largest in the United States, and enrolls over 17,000 students. Stanford is conside ...
estimated that Santa Clara County up to 54,000 residents, or 2.8% of the population, had been infected, compared to the 1,000 confirmed cases at the time. In an earlier preprint, the study's authors had estimated an even higher rate of infection but therefore calculated a lower mortality rate. Despite academic controversy over the study's methodology, which prompted the revision, the preprint fueled opposition to stay-at-home orders in the United States. The university has begun an investigation into the study. In addition to its study in San Francisco's Mission District, UCSF is conducting a similar study of all 1,680 residents in the rural community of
Bolinas Bolinas is an unincorporated coastal community and census-designated place in Marin County, California, United States. As of the 2020 census it had a population of 1,483. It is located on the California coast, approximately (straight line dist ...
, and the
University of California, Berkeley The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California) is a public land-grant research university in Berkeley, California. Established in 1868 as the University of California, it is the state's first land-grant un ...
, is testing a representative sample of 5,000
East Bay The East Bay is the eastern region of the San Francisco Bay Area and includes cities along the eastern shores of the San Francisco Bay and San Pablo Bay. The region has grown to include inland communities in Alameda and Contra Costa counties ...
residents. In October 2020, Santa Clara County began
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of the
SARS-CoV-2 Severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2) is a strain of coronavirus that causes COVID-19 (coronavirus disease 2019), the respiratory illness responsible for the ongoing COVID-19 pandemic. The virus previously had a ...
virus's RNA at the San José–Santa Clara Regional Wastewater Facility and three other regional wastewater treatment plants in
Palo Alto Palo Alto (; Spanish for "tall stick") is a charter city in the northwestern corner of Santa Clara County, California, United States, in the San Francisco Bay Area, named after a coastal redwood tree known as El Palo Alto. The city was es ...
,
Sunnyvale Sunnyvale () is a city located in the Santa Clara Valley in northwest Santa Clara County in the U.S. state of California. Sunnyvale lies along the historic El Camino Real and Highway 101 and is bordered by portions of San Jose to the nort ...
, and Gilroy, which together serve the vast majority of residents in the county.


Progression


Early cases

There has been speculation that COVID-19 may have been circulating in the Bay Area by December 2019. Ongoing "lookback studies" are attempting to identify the index case. An initial preprint of a study at
Stanford University Medical Center Stanford University Medical Center is a medical complex which includes Stanford Health Care and Stanford Children's Health. It is consistently ranked as one of the best hospitals in the United States and serves as a teaching hospital for the S ...
has found no infected samples from November and December 2019. , the earliest known cases in
Santa Clara County Santa Clara County, officially the County of Santa Clara, is the sixth-most populous county in the U.S. state of California, with a population of 1,936,259, as of the 2020 census. Santa Clara County and neighboring San Benito County together ...
have been dated to January 27, 2020. On January 31, 2020, the
Centers for Disease Control and Prevention The Centers for Disease Control and Prevention (CDC) is the national public health agency of the United States. It is a United States federal agency, under the Department of Health and Human Services, and is headquartered in Atlanta, Georg ...
(CDC) announced the first confirmed case of COVID-19 in the Bay Area and the seventh in the United States, a man in Santa Clara County who had recently traveled to
Wuhan Wuhan (, ; ; ) is the capital of Hubei Province in the People's Republic of China. It is the largest city in Hubei and the most populous city in Central China, with a population of over eleven million, the ninth-most populous Chinese city a ...
. The man recovered at home and was released from in-home isolation on February 20. On February 2, the CDC confirmed a second area case in a Santa Clara County woman who had also recently traveled to Wuhan. The two cases were unrelated. On February 6, 2020, 57-year-old Patricia Dowd of San Jose died of COVID-19 without any known recent foreign travel. She had been unusually sick from the flu in late January, then recovered,
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ed, and suddenly died at home on February 6. A February 7 autopsy was completed in April (after virus tests on tissue samples) and attributed the death to transmural myocardial ischemia (
infarction Infarction is tissue death ( necrosis) due to inadequate blood supply to the affected area. It may be caused by artery blockages, rupture, mechanical compression, or vasoconstriction. The resulting lesion is referred to as an infarct (from th ...
) with a minor component of
myocarditis Myocarditis, also known as inflammatory cardiomyopathy, is an acquired cardiomyopathy due to inflammation of the heart muscle. Symptoms can include shortness of breath, chest pain, decreased ability to exercise, and an irregular heartbeat. Th ...
due to COVID-19 infection. Her case was discovered in April 2020; from then until August 2021, she was considered to have been the first COVID-19-related death in the U.S. It indicated that community transmission was happening undetected in the U.S., most likely since December 2019. On February 26, 2020, a case of unknown origin was confirmed in a resident of
Solano County Solano County () is a county located in the U.S. state of California. As of the 2020 census, the population was 453,491. The county seat is Fairfield. Solano County comprises the Vallejo–Fairfield, CA Metropolitan Statistical Area, which i ...
. The
UC Davis Medical Center UC Davis Medical Center is part of UC Davis Health and a major academic health center located in Sacramento, California. It is owned and operated by the University of California as part of its University of California, Davis campus. The medical c ...
in
Sacramento ) , image_map = Sacramento County California Incorporated and Unincorporated areas Sacramento Highlighted.svg , mapsize = 250x200px , map_caption = Location within Sacramento ...
said that, when the person was transferred there on February 19, the medical team suspected it was COVID-19 and asked the CDC to test for SARS-CoV-2. The CDC initially refused since the person, who had no known exposure to the virus through travel or close contact with a known infected individual, did not meet the criteria for testing. The person was ultimately tested on February 23; the test results returned positive on February 26. After this first case of community transmission in the U.S., the CDC revised its criteria for testing patients for SARS-CoV-2 and, on February 28, began sending out the new guidelines for healthcare workers. The first case of the
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detected in the United States was also located in the Bay Area. A resident of San Francisco returned from
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on November 22, 2021, began showing mild symptoms on November 25, and was confirmed to have COVID-19 on November 29. The individual had been vaccinated but had not received a booster shot.


Cases by county over time


Government response

The Bay Area public health response to the pandemic is being coordinated through the Association of Bay Area Health Officers (ABAHO), an organization consisting of the public health officers of 11 counties and two cities that was established in the 1980s to fight the
AIDS epidemic The global epidemic of HIV/AIDS (human immunodeficiency virus infection and acquired immunodeficiency syndrome) began in 1981, and is an ongoing worldwide public health issue. According to the World Health Organization (WHO), as of 2021, HIV/AI ...
in San Francisco. The health officers act in unison to avoid political pushback. ABAHO is informally divided between the "Big Seven", consisting of
Alameda An alameda is a street or path lined with trees () and may refer to: Places Canada * Alameda, Saskatchewan, town in Saskatchewan ** Grant Devine Dam, formerly ''Alameda Dam'', a dam and reservoir in southern Saskatchewan Chile * Alameda (Santia ...
, Contra Costa, Marin, San Mateo, and Santa Clara counties and the cities of Berkeley and
San Francisco San Francisco (; Spanish for " Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the fourth most populous in California and 17t ...
; and Santa Cruz,
Monterey Monterey (; es, Monterrey; Ohlone: ) is a city located in Monterey County on the southern edge of Monterey Bay on the U.S. state of California's Central Coast. Founded on June 3, 1770, it functioned as the capital of Alta California under bot ...
, Napa, San Benito, Sonoma, and Solano counties on the periphery of the Bay Area. Unlike the shelter-in-place order, orders to wear face coverings such as cloth face masks while in public took effect at different times depending on the jurisdiction.


2020

*February 10:
Santa Clara County Santa Clara County, officially the County of Santa Clara, is the sixth-most populous county in the U.S. state of California, with a population of 1,936,259, as of the 2020 census. Santa Clara County and neighboring San Benito County together ...
declares a local health emergency. At the time, there were two confirmed cases of COVID-19 in the county and no known community transmission. *February 25:
San Francisco San Francisco (; Spanish for " Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the fourth most populous in California and 17t ...
Mayor
London Breed London Nicole Breed (born August 11, 1974) is an American politician who is the 45th and current mayor of the City and County of San Francisco. She was supervisor for District 5 and was president of the San Francisco Board of Supervisors, Board ...
declares a state of emergency that would allow city officials to assemble resources and personnel to expedite emergency measures in the event of a potential coronavirus case in the city. *February 27: Solano County declares a local health emergency to bolster response to COVID-19 cases. *March 9: Santa Clara County bans public gatherings of more than 1,000 people. Over the next few days, the county expands the bans to cover all gatherings, from
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games to library story hours, and closes all bars and pubs. *March 16: The "Big Seven" public health departments issued a joint shelter-in-place order, legally requiring all non-essential businesses to close and residents to stay at home except for essential needs, effective March 17. It was the first such order in the mainland United States, coming a day after
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went into lockdown. *March 17: The March 16 stay-at-home order is adopted by the remaining Bay Area county health departments. Santa Clara County has enforced its shelter-in-place order with one of the strictest interpretations in the state. The orders were timed to preempt
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celebrations. *March 30: The "Big Seven" health officers extend the shelter-in-place order to May 3, easing some restrictions on outdoor activity. *April 13: Sonoma County issues a mask mandate effective April 17. *April 15: Fremont issues a mask mandate effective immediately. *April 17: Santa Clara County issues a mask advisory. The county refrained from issuing a mandate in order to avoid adding to police departments' enforcement responsibilities. *April 22: Mask mandates take effect in Alameda, Contra Costa, Marin, San Francisco, and San Mateo Counties. *April 24: Mask mandates take effect in
Milpitas Milpitas (Spanish for "little milpas") is a city in Santa Clara County, California, in Silicon Valley. As of the 2020 census, the city population was 80,273. The city's origins lie in Rancho Milpitas, granted to Californio ranchero José Marà ...
and
Cupertino Cupertino ( ) is a city in Santa Clara County, California, United States, directly west of San Jose on the western edge of the Santa Clara Valley with portions extending into the foothills of the Santa Cruz Mountains. The population was 57,82 ...
. *April 29: The shelter-in-place order is extended again to May 31. *May 4: Santa Clara County issues a mask mandate for businesses.
Palo Alto Palo Alto (; Spanish for "tall stick") is a charter city in the northwestern corner of Santa Clara County, California, United States, in the San Francisco Bay Area, named after a coastal redwood tree known as El Palo Alto. The city was es ...
issued a face mask order on May 13. *May 7: The Big Cities Health Coalition estimates that the Bay Area's shelter-in-place orders prevented 188,000 hospitalizations and 19,000 deaths in Santa Clara County, Alameda County, and San Francisco. *May 14:
San Benito County San Benito County (; ''San Benito'', Spanish for " St. Benedict"), officially the County of San Benito, is a county located in the Coast Range Mountains of the U.S. state of California. As of the 2020 census, the population was 64,209. The co ...
meets the
California Department of Public Health The California Department of Public Health (CDPH) is the state department responsible for public health in California. It is a subdivision of the California Health and Human Services Agency. It enforces some of the laws in the California Health ...
's criteria to resume dine-in service at restaurants as part of phase 2 of Governor
Gavin Newsom Gavin Christopher Newsom (born October 10, 1967) is an American politician and businessman who has been the 40th governor of California since 2019. A member of the Democratic Party, he served as the 49th lieutenant governor of California f ...
's statewide reopening plan. *May 15: San Mateo County issues a new shelter-in-place order ahead of the Bay Area-wide order that expired on May 31. The county's order allowed nonessential retail and other businesses to offer curbside pickup service. This order, which aligned with phase 2 of the state reopening plan, marked the first departure from the unified front that Bay Area health officials had maintained until then. *May 18: Despite initial reservations by Contra Costa and Santa Clara county health officials, they and their counterparts in
Alameda County Alameda County ( ) is a county located in the U.S. state of California. As of the 2020 census, the population was 1,682,353, making it the 7th-most populous county in the state and 21st most populous nationally. The county seat is Oakland. Alam ...
, Berkeley,
Marin County Marin County is a county located in the northwestern part of the San Francisco Bay Area of the U.S. state of California. As of the 2020 census, the population was 262,231. Its county seat and largest city is San Rafael. Marin County is acros ...
, and
San Francisco San Francisco (; Spanish for " Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the fourth most populous in California and 17t ...
issue a joint order on that implemented phase 2 reopening. Napa, Santa Cruz, Solano, and Sonoma counties were also moving forward with phase 2. *May 26: Napa, San Benito, Solano, and Sonoma Counties begin allowing hair salons and barbershops to reopen. *July 13: The
San Francisco Zoo The San Francisco Zoo is a zoo located in the southwestern corner of San Francisco, California, between Lake Merced and the Pacific Ocean along the Great Highway. The SF Zoo is a public institution, managed by the non-profit San Francisco Zoolog ...
reopens to members with reservations required. *July 14: University of California-Berkeley Botanical Gardens reopens to members with reservations required. *July 15: The
San Francisco Zoo The San Francisco Zoo is a zoo located in the southwestern corner of San Francisco, California, between Lake Merced and the Pacific Ocean along the Great Highway. The SF Zoo is a public institution, managed by the non-profit San Francisco Zoolog ...
reopens to the general public with reservations required. *July 22: University of California-Berkeley Botanical Gardens reopens to the general public with reservations required. *August 31: The statewide Blueprint for a Safer Economy reopening plan comes into effect. Napa and San Francisco Counties are at Substantial, while all other Bay Area counties are at Widespread. ** Napa County directly follows the state's reopening guidelines. ** San Francisco delays the reopening of businesses. *September 1: San Francisco allows personal care services and indoor malls to reopen. *September 8: Santa Clara and Santa Cruz Counties are upgraded from Widespread to Substantial. Both counties directly follow the state's reopening guidelines. *September 14: San Francisco allows indoor nail salons, piercing shops, tattoo parlors, and indoor fitness/dance/yoga studios to reopen. *September 15: Marin County is upgraded from Widespread to Substantial. The county directly follows the state's reopening guidelines. *September 21: San Francisco allows museums/zoos/aquariums and elementary schools to reopen. Elementary schools in
San Francisco Unified School District San Francisco Unified School District (SFUSD), established in 1851, is the only public school district within the City and County of San Francisco, and the first in the state of California. Under the management of the San Francisco Board of Edu ...
remain closed. *September 22: ** Alameda, San Mateo, and Solano Counties are upgraded from Widespread to Substantial. *** Alameda County delays the reopening of businesses. *** San Mateo and Solano Counties directly follow the state's reopening guildines. ** The
de Young Museum The de Young Museum, formally the M. H. de Young Memorial Museum, is a fine arts museum located in San Francisco, California. Located in Golden Gate Park, it is a component of the Fine Arts Museums of San Francisco, along with the California Pala ...
reopens to members with reservations required. The de Young Observation Level, Coat Check, de Youngsters Studio, and Piazzoni Murals Room remain closed. *September 25: ** The
de Young Museum The de Young Museum, formally the M. H. de Young Memorial Museum, is a fine arts museum located in San Francisco, California. Located in Golden Gate Park, it is a component of the Fine Arts Museums of San Francisco, along with the California Pala ...
reopens to the general public with reservations required. The de Young Observation Level, Coat Check, de Youngsters Studio, and Piazzoni Murals Room remain closed. ** Alameda County allows nail salons to reopen. Nail salons have since been allowed to reopen statewide. *September 29: ** San Francisco County is upgraded from Substantial to Moderate. The reopening of businesses is delayed. ** Contra Costa County is upgraded from Widespread to Substantial. The county directly follows the state's reopening guidelines. *September 30: San Francisco allows indoor dining and places of worship to reopen. *October 7: San Francisco allows movie theaters to reopen without concessions. ** The National Association of Theatre Owners of California/Nevada stated that their cinemas in San Francisco would remain closed due to the concessions ban, as it "makes it economically impossible for our members to reopen and significantly limits the moviegoing experience for our audiences." *October 9: Alameda County allows museums, zoos, aquariums, personal care services, libraries, fitness/dance/yoga studios, and outdoor film production to reopen. *October 13: ** Alameda and Santa Clara Counties are upgraded from Substantial to Moderate. *** Alameda County delays the reopening of businesses. *** Santa Clara County follows the state's guidelines, with the exception of allowing indoor restaurants to increase their capacity beyond 25%. ** San Benito County is upgraded from Widespread to Substantial. The county directly follows the state's reopening guidelines. ** Alameda County allows elementary schools to reopen. ** The
California Academy of Sciences The California Academy of Sciences is a research institute and natural history museum in San Francisco, California, that is among the largest museums of natural history in the world, housing over 46 million specimens. The Academy began in 1853 ...
in Golden Gate Park reopens to members with reservations required. Exhibits and spaces with a high degree of interactivity or where it is difficult to maintain physical distance remain closed, including the Morrison Planetarium, the Naturalist Center, the Curiosity Grove, and the Discovery Tidepool. *October 20: ** San Francisco County is upgraded from Moderate to Minimal. The reopening of businesses is delayed. ** Napa County is upgraded from Substantial to Moderate. The county directly follows the state's reopening guidelines. *October 22: The California Academy of Sciences reopens to the general public with reservations required. Exhibits and spaces with a high degree of interactivity or where it is difficult to maintain physical distance remain closed, including the Morrison Planetarium, the Naturalist Center, the Curiosity Grove, and the Discovery Tidepool. *October 23: Alameda County allows places of worship and cultural ceremonies, indoor dining, movie theaters, bowling alleys, and climbing walls to reopen. The county also allows indoor retailers and shopping centers to expand their capacity from 25% to 50% and fitness/dance/yoga studios to expand their capacity from 10% to 25%. *October 26: Schools in Mountain House Elementary School District reopen for Grades TK–6. In-person attendance is only on Monday through Thursday. *October 27: ** Contra Costa, Marin, San Mateo, and Santa Cruz Counties are upgraded from Substantial to Moderate. All four counties directly follow the state's reopening guidelines. ** San Francisco allows climbing walls and offices of non-essential businesses to reopen. The city also allows fitness/dance/yoga studios to expand their indoor capacity from 10% to 25%. *November 3: San Francisco allows swimming pools and bowling alleys to reopen. The city also allows places of worship, museums/zoos/aquariums, indoor dining, and movie theaters to expand their indoor capacity from 25% to 50%. *November 9: ** Alameda County allows middle schools and high schools to reopen. ** Fremont Christian School reopens for Grades 3–5. *November 10: Contra Costa and Santa Cruz Counties are downgraded from Moderate to Substantial. *November 16: ** Alameda, Napa, and Santa Clara Counties are downgraded from Moderate to Widespread. ** San Francisco County is downgraded from Minimal to Substantial. ** Contra Costa, San Benito, Santa Cruz, and Solano Counties are downgraded from Substantial to Widespread. ** Marin and San Mateo Counties are downgraded from Moderate to Substantial. *November 28: San Francisco and San Mateo Counties are downgraded from Substantial to Widespread. *November 30: Fremont Christian School reopens for Grades K–2. *December 1: Schools in Piedmont Unified School District reopen for Grades K–2. *December 6: **10:00 p.m.: Contra Costa, San Francisco, and Santa Clara Counties, as well as the City of Berkeley, preemptively implement the state's December 3 regional stay-at-home order. **11:59 p.m.: The regional stay-at-home order goes into effect for the San Joaquin Valley region, which includes San Benito County. *December 7: Alameda County preemptively implements the state's stay-at-home order. *December 8: ** Marin County preemptively implements the state's stay-at-home order. ** Marin County is downgraded from Substantial to Widespread. ** Schools in Piedmont Unified School District reopen for Grades 3–5. *December 16: San Mateo becomes the final Bay Area county to ban outdoor dining *December 17: 11:59 p.m.: The regional stay-at-home order goes into effect for the Bay Area region, which includes all ABAHO counties excluding San Benito County.


2021

*January 25: The regional stay-at-home order is lifted statewide. *February 23: Marin and San Mateo become the first Bay Area counties since early December to leave the purple tier, being upgraded from Widespread to Substantial *March 2: Napa, San Francisco, and Santa Clara upgraded from Widespread to Substantial *March 9: Alameda and Solano upgraded from Widespread to Substantial *March 13: Contra Costa and Sonoma upgraded from Widespread to Substantial *March 16: San Mateo becomes the first Bay Area county since mid-November to enter the orange tier, being upgraded from Substantial to Moderate *March 23: Marin, San Francisco, and Santa Clara upgraded from Substantial to Moderate *March 30: Alameda upgraded from Substantial to Moderate *April 6: Contra Costa, Napa, and Sonoma upgraded from Substantial to Moderate *May 4: San Francisco upgraded from Moderate to Minimal *May 11: San Mateo upgraded from Moderate to Minimal *May 19: Santa Clara upgraded from Moderate to Minimal *June 1: Solano upgraded from Substantial to Moderate *June 8: Alameda and Napa upgraded from Moderate to Minimal *June 15: BSE system ended statewide. *August 2: The counties of Alameda, Contra Costa, Marin, San Francisco, San Mateo, and Santa Clara (as well as the City of Berkeley) re-introduce a mask mandate for all persons regardless of vaccination status. *August 12: San Francisco becomes the first major city in the U.S. to require proof of vaccination for customers of restaurants, bars, and gyms. *September 2: Berkeley announces that it will require proof of vaccination customers of restaurants, bars, and gyms. *September 23: Oakland Unified School District announces a vaccine mandate for all students aged 12+. *September 29: Santa Cruz County lifts its indoor mask mandate, effective immediately. *October 7: San Francisco announces that it will lift its mask mandate, effective October 15, for gatherings of under 100 people where everyone is vaccinated. *October 8: Marin County announces the same modifications to its mask mandate as San Francisco, also effective October 15. *October 13: San Francisco begins mandating vaccination for workers of restaurants, bars, and gyms. *October 30: Marin County announces an end to its indoor mask mandate, effective November 1.


2022

*January 12: Sonoma County institutes a 30-day ban on indoor gatherings of more than 50 people and outdoor gatherings of more than 100 people. *January 27: San Francisco announces that it will lift its indoor mask mandate if everyone has received a booster dose of the vaccine, effective February 1. *February 20: Point Bonita Lighthouse, located in the
Marin Headlands The Marin Headlands is a hilly peninsula at the southernmost end of Marin County, California, United States, located just north of San Francisco across the Golden Gate Bridge, which connects the two counties and peninsulas. The entire area is p ...
near
Sausalito Sausalito (Spanish for "small willow grove") is a city in Marin County, California, United States, located southeast of Marin City, south-southeast of San Rafael, and about north of San Francisco from the Golden Gate Bridge. Sausalito's ...
, resumes tours for the first time after two years of closure due to the COVID-19 pandemic.


Military response

The
California National Guard The California National Guard is part of the National Guard of the United States, a dual federal-state military reserve force. The CA National Guard has three components: the CA Army National Guard, CA Air National Guard, and CA State Guard. ...
and
California State Guard The California State Guard (CSG) (formerly the California State Military Reserve) is a component of the California National Guard (CNG). The CSG is a volunteer force that supports the state missions and federal readiness of the Army and Air Natio ...
activated medical units in the Bay Area to assist local and state government agencies in their COVID-19 response. In the Bay Area, the
California Air National Guard The California Air National Guard (CA ANG) is one of three components of the California National Guard, a reserve of the United States Air Force, and part of the National Guard of the United States. As militia units, the units in the California ...
has set up Federal Medical Stations at the
Santa Clara Convention Center The Santa Clara Convention Center is located in northern Santa Clara, California. It serves as one of the large meeting and convention facilities in Silicon Valley, with of meeting space. It was built in 1986 and expanded in 2009. The conventio ...
in Santa Clara (known as the Field Respite Center), the San Mateo County Event Center in San Mateo, and Craneway Pavilion in
Richmond Richmond most often refers to: * Richmond, Virginia, the capital of Virginia, United States * Richmond, London, a part of London * Richmond, North Yorkshire, a town in England * Richmond, British Columbia, a city in Canada * Richmond, Californi ...
. The temporary field hospitals, which are managed by the
Strategic National Stockpile The Strategic National Stockpile (SNS), originally called the National Pharmaceutical Stockpile (NPS), is the United States' national repository of antibiotics, vaccines, chemical antidotes, antitoxins, and other critical medical supplies. Its ...
Division of the
United States Department of Health and Human Services The United States Department of Health and Human Services (HHS) is a cabinet-level executive branch department of the U.S. federal government created to protect the health of all Americans and providing essential human services. Its motto is ...
, can receive noncritical patients from local hospitals for convalescent care. The Santa Clara location was converted on March 21 and admitted its first two patients on April 5. The Air National Guard converted the San Mateo location on April 1 and the Richmond location the following day.


Community and academic response

The Innovative Genomics Institute at the
University of California, Berkeley The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California) is a public land-grant research university in Berkeley, California. Established in 1868 as the University of California, it is the state's first land-grant un ...
, headed by Dr.
Jennifer Doudna Jennifer Anne Doudna (; born February 19, 1964) is an American biochemist who has done pioneering work in CRISPR gene editing, and made other fundamental contributions in biochemistry and genetics. Doudna was one of the first women to share a ...
converted the genomic-editing research laboratory to run COVID-19 tests. Despite a widespread need for COVID testing, doctors and hospitals were hesitant to use the newly set up labs in favor of major commercial laboratories like LabCorp and Quest.


Economic impact


Unemployment

As in other parts of California and the United States, the Bay Area has experienced a dramatic increase in unemployment as a result of voluntary and mandatory social distancing measures. In April 2020, unemployment in the Bay Area increased by 555,100 residents or 13.7% month over month, including a 15.1% increase in private-sector job losses. Unemployment has affected the Bay Area unevenly from one area or industry to another. Despite layoffs by startups in March and April, job losses in the technology industry increased by only 4.1%, compared to an increase by more than 50% in the hospitality industry. Due to the technology industry's dominance in
Santa Clara County Santa Clara County, officially the County of Santa Clara, is the sixth-most populous county in the U.S. state of California, with a population of 1,936,259, as of the 2020 census. Santa Clara County and neighboring San Benito County together ...
known as
Silicon Valley Silicon Valley is a region in Northern California that serves as a global center for high technology and innovation. Located in the southern part of the San Francisco Bay Area, it corresponds roughly to the geographical areas San Mateo Cou ...
, unemployment increased by only 11.2% there in April, compared to 14.6% in the
East Bay The East Bay is the eastern region of the San Francisco Bay Area and includes cities along the eastern shores of the San Francisco Bay and San Pablo Bay. The region has grown to include inland communities in Alameda and Contra Costa counties ...
and 14.4% in San Francisco and San Mateo County. In San Francisco, which is relatively dependent on tourism, over 100,000 residents, or about one-ninth of the city's population, filed for
unemployment benefits Unemployment benefits, also called unemployment insurance, unemployment payment, unemployment compensation, or simply unemployment, are payments made by authorized bodies to unemployed people. In the United States, benefits are funded by a comp ...
during the pandemic. , large Bay Area employers have collectively sent the state Employment Development Department about 24,700 WARN notices about proposed mass layoffs, furloughs, or facility closures.


Construction

Bay Area counties' strict interpretations of shelter-in-place orders halted most residential and commercial construction projects. Some construction projects resumed in mid-May.


Government

San Francisco San Francisco (; Spanish for " Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the fourth most populous in California and 17t ...
has tentatively projected that its deficit will double to between $ and $ over fiscal years 2020 and 2021.
Redwood City Redwood City is a city on the San Francisco Peninsula in Northern California's Bay Area, approximately south of San Francisco, and northwest of San Jose. Redwood City's history spans its earliest inhabitation by the Ohlone people to being a po ...
expects to have a balanced budget in 2020 but a $ deficit in 2021. , San Jose projects a $ deficit for fiscal year 2019–20 and a $ deficit for 2020–21, revised downward from a $ surplus projected in 2019. The impact will be significantly worse than either the
dot-com bust The dot-com bubble (dot-com boom, tech bubble, or the Internet bubble) was a stock market bubble in the late 1990s, a period of massive growth in the use and adoption of the Internet. Between 1995 and its peak in March 2000, the Nasdaq Compos ...
or the
Great Recession The Great Recession was a period of marked general decline, i.e. a recession, observed in national economies globally that occurred from late 2007 into 2009. The scale and timing of the recession varied from country to country (see map). At ...
.
Palo Alto Palo Alto (; Spanish for "tall stick") is a charter city in the northwestern corner of Santa Clara County, California, United States, in the San Francisco Bay Area, named after a coastal redwood tree known as El Palo Alto. The city was es ...
projected a $ loss in revenue.
Oakland Oakland is the largest city and the county seat of Alameda County, California, United States. A major West Coast port, Oakland is the largest city in the East Bay region of the San Francisco Bay Area, the third largest city overall in the Bay ...
projected a $ deficit over 14 months and has laid off part-time employees. Berkeley projected a $ deficit in 2020 and a $ deficit in 2021.
Richmond Richmond most often refers to: * Richmond, Virginia, the capital of Virginia, United States * Richmond, London, a part of London * Richmond, North Yorkshire, a town in England * Richmond, British Columbia, a city in Canada * Richmond, Californi ...
projected a $ deficit in 2020 and a $ deficit in 2021. Walnut Creek closed a $ budget gap in 2020 but expects a $ deficit in 2021. Vallejo projected a $ deficit. Napa projected a $ deficit in 2020 and a deficit from $ to $ in 2021.
Santa Rosa Santa Rosa is the Italian, Portuguese and Spanish name for Saint Rose. Santa Rosa may also refer to: Places Argentina * Santa Rosa, Mendoza, a city * Santa Rosa, Tinogasta, Catamarca * Santa Rosa, Valle Viejo, Catamarca *Santa Rosa, La Pampa * S ...
tapped its reserves to close a $ budget gap in 2020 but expects a $ deficit in 2021.
Sausalito Sausalito (Spanish for "small willow grove") is a city in Marin County, California, United States, located southeast of Marin City, south-southeast of San Rafael, and about north of San Francisco from the Golden Gate Bridge. Sausalito's ...
expects a $ deficit for fiscal year 2019–20 and a $ deficit for 2020–21.


Manufacturing

Some major Bay Area manufacturers, such as
Lockheed Martin The Lockheed Martin Corporation is an American aerospace, arms, defense, information security, and technology corporation with worldwide interests. It was formed by the merger of Lockheed Corporation with Martin Marietta in March 1995. It ...
in Sunnyvale and
Chevron Corporation Chevron Corporation is an American multinational energy corporation. The second-largest direct descendant of Standard Oil, and originally known as the Standard Oil Company of California (shortened to Socal or CalSo), it is headquartered in S ...
in San Ramon, have been exempted from shelter-in-place orders as essential businesses. However, the
Tesla Factory The Tesla Fremont Factory is an automobile manufacturing plant in Fremont, California, operated by Tesla, Inc. The facility opened as General Motors' Fremont Assembly in 1962, and was later operated by NUMMI, a GM–Toyota joint venture. Tesl ...
in Fremont was not exempted and was forced to halt production, resulting in the furlough of nearly 11,100 employees. On May 11, Tesla resumed manufacturing operations at the factory despite an Alameda County order allowing only minimum basic operations.


Retail and foodservice

The March 13 announcement of a shelter-in-place order triggered a wave of
panic buying Panic buying (alternatively hyphenated as panic-buying; also known as panic purchasing) occurs when consumers buy unusually large amounts of a product in anticipation of, or after, a disaster or perceived disaster, or in anticipation of a large ...
throughout the region. By April, the
Consumer Price Index A consumer price index (CPI) is a price index, the price of a weighted average market basket of consumer goods and services purchased by households. Changes in measured CPI track changes in prices over time. Overview A CPI is a statisti ...
for the San Francisco area (Alameda, Contra Costa, and Marin counties and San Francisco) fell by 0.5% compared to February, a 1.1% rise year over year. By category, retail prices rose by 14.5% year over year for meat, 9.6% for dairy, 6.7% for food at home (bought in stores), and 0.6% for alcohol. Retail prices fell by 28.4% for regular unleaded gas, 27.6% year over year for motor fuel in general, 12% for clothing, and 7.8% for transportation. Of the San Jose Downtown Association's more than 1,600 member businesses, 83% are temporarily or permanently closed, 9% are operating with reduced service, and 8% are fully operational as of mid-May. Due to the pandemic, the Pleasanton-based Specialty's bakery-café chain, which specialized in corporate catering, permanently closed its more than 50 locations on May 19, 2020, after 33 years in business. San Jose–based
Fry's Electronics Fry's Electronics was an American big-box store chain. While operating, it was headquartered in San Jose, California in Silicon Valley. Fry's retailed software, consumer electronics, household appliances, cosmetics, tools, toys, accessories ...
also blamed the pandemic for its closure on February 24, 2021.


Technology

The technology industry was not as heavily impacted by stay-at-home orders as the leisure and hospitality industries. Demand for Bay Area–based
teleconferencing A teleconference is the live exchange of information among several people remote from one another but linked by a telecommunications system. Terms such as audio conferencing, telephone conferencing and phone conferencing are also sometimes used t ...
and
e-commerce E-commerce (electronic commerce) is the activity of electronically buying or selling of products on online services or over the Internet. E-commerce draws on technologies such as mobile commerce, electronic funds transfer, supply chain manag ...
services increased significantly during the pandemic. According to San Jose–based
Zoom Video Communications Zoom Video Communications, Inc. (commonly shortened to Zoom, and stylized as zoom) is an American communications technology company headquartered in San Jose, California. It provides videotelephony and online chat services through a cloud-based ...
, usage of its Zoom software rose to 300 million
active users Active users is a measurement metric that is commonly used to measure the level of engagement for a particular product or object, by quantifying the number of active interactions from visitors within a relevant range of time (daily, weekly and m ...
, compared to about 10 million per day in December 2019. By early March, many large technology companies began encouraging or requiring employees to
remote work Remote work, also called work from home (WFH), work from anywhere, telework, remote job, mobile work, and distance work is an employment arrangement in which employees do not commute to a central place of work, such as an office building, ware ...
. These
social distancing In public health, social distancing, also called physical distancing, (NB. Regula Venske is president of the PEN Centre Germany.) is a set of non-pharmaceutical interventions or measures intended to prevent the spread of a contagious dis ...
measures, which predated mandatory shelter-in-place orders, are credited with helping to lessen the initial impact of the pandemic. On May 15, the Bay Area Council released a survey finding that 17.9% of companies planned to keep their employees
remote work Remote work, also called work from home (WFH), work from anywhere, telework, remote job, mobile work, and distance work is an employment arrangement in which employees do not commute to a central place of work, such as an office building, ware ...
ing on a permanent basis, while 89.3% planned to remain a partially remote workforce.
Facebook Facebook is an online social media and social networking service owned by American company Meta Platforms. Founded in 2004 by Mark Zuckerberg with fellow Harvard College students and roommates Eduardo Saverin, Andrew McCollum, Dust ...
,
Square, Inc. Block, Inc. (formerly Square, Inc.) is an American multinational technology conglomerate founded in 2009 by Jack Dorsey and Jim McKelvey and launched its first platform in 2010. It has been traded as a public company on the New York Stock Exch ...
,
Google Google LLC () is an American Multinational corporation, multinational technology company focusing on Search Engine, search engine technology, online advertising, cloud computing, software, computer software, quantum computing, e-commerce, ar ...
and
Twitter Twitter is an online social media and social networking service owned and operated by American company Twitter, Inc., on which users post and interact with 280-character-long messages known as "tweets". Registered users can post, like, and ...
announced permanent or extended
remote work Remote work, also called work from home (WFH), work from anywhere, telework, remote job, mobile work, and distance work is an employment arrangement in which employees do not commute to a central place of work, such as an office building, ware ...
policies. ,
Lyft Lyft, Inc. offers mobility as a service, ride-hailing, vehicles for hire, motorized scooters, a bicycle-sharing system, rental cars, and food delivery in the United States and select cities in Canada. Lyft sets fares, which vary using a dyn ...
,
Yelp Yelp Inc. is an American company that develops the Yelp.com website and the Yelp mobile app, which publish crowd-sourced reviews about businesses. It also operates Yelp Guest Manager, a table reservation service. It is headquartered in San F ...
, IBM, and
LendingClub LendingClub is a financial services company headquartered in San Francisco, California. It was the first peer-to-peer lender to register its offerings as securities with the Securities and Exchange Commission (SEC), and to offer loan trading on ...
disclosed a combined total of 1,000 planned layoffs in the Bay Area. Technology conferences that are normally held in Bay Area cities have been canceled, postponed, or replaced by
Internet streaming Streaming media is multimedia that is delivered and consumed in a continuous manner from a source, with little or no intermediate storage in network elements. ''Streaming'' refers to the delivery method of content, rather than the content i ...
events, including: *
Apple Worldwide Developers Conference The Worldwide Developers Conference (WWDC) is an information technology conference held annually by Apple Inc. The conference is usually held at Apple Park in California. The event is usually used to showcase new software and technologies in t ...
moved online *
Dreamforce Salesforce, Inc. is an American cloud-based software company headquartered in San Francisco, California. It provides customer relationship management (CRM) software and applications focused on sales, customer service, marketing automation, a ...
(San Francisco's largest conference) moved online * Facebook F8 canceled *
Game Developers Conference The Game Developers Conference (GDC) is an annual conference for video game developers. The event includes an expo, networking events, and awards shows like the Game Developers Choice Awards and Independent Games Festival, and a variety of tuto ...
postponed * Google Cloud Next canceled *
Google I/O Google I/O (or simply I/O) is an annual developer conference held by Google in Mountain View, California. "I/O" stands for Input/Output, as well as the slogan "Innovation in the Open". The event's format is similar to Google Developer Day. Hi ...
canceled * GPU Technology Conference moved online *
VMworld VMworld is a global multi-cloud conference, hosted by VMware. It is the largest multi-cloud-specific event. It has been held in San Diego, California in 2004; Las Vegas, Nevada in 2005, 2008, 2011, 2016, 2017, and 2018; Los Angeles, California ...
moved online The RSA Conference was held in February as scheduled, but
Verizon Verizon Communications Inc., commonly known as Verizon, is an American multinational telecommunications conglomerate and a corporate component of the Dow Jones Industrial Average. The company is headquartered at 1095 Avenue of the Americas ...
,
AT&T AT&T Inc. is an American multinational telecommunications holding company headquartered at Whitacre Tower in Downtown Dallas, Texas. It is the world's largest telecommunications company by revenue and the third largest provider of mobile ...
, and IBM pulled out of the conference on February 21, as concerns began to grow about the pandemic.


Tourism

San Francisco's economy is heavily dependent on tourism, which normally employs 90,000 people and generates more tax revenue than any other industry in the city. International tourism normally accounts for 64% of San Francisco's tourism spending but has largely disappeared during the pandemic. San Francisco's destination marketing organization is projecting visitor volume to recover to 18.4 million for 2021, still down 30 percent to 2019. Gradual improvement will be driven primarily by domestic visitation. International tourism will take much longer to recover.


Social impact


Education

On April 1, school superintendents in Santa Clara and San Mateo counties announced that in-person classes would not resume during the 2019–20 school year. Many Bay Area colleges and universities have announced plans for instruction in response to the pandemic: On February 15, 2022, three commissioners of the
San Francisco Board of Education The San Francisco Board of Education is the school board for the City and County of San Francisco. It is composed of seven Commissioners, elected by voters across the city to serve 4-year terms. It is subject to local, state, and federal laws, an ...
were recalled in the city's first recall election in 39 years. The school board's decision to keep schools closed longer than other major school districts was cited as a factor in the successful recall effort.


Hunger

Over the first 10 weeks since the shelter-in-place order was issued, Bay Area food banks have seen demand double and calls increase a thousandfold. According to
Second Harvest of Silicon Valley Second Harvest of Silicon Valley (abbreviated SHSV) is a food bank based in San Jose, California, that serves Santa Clara and San Mateo counties, including Silicon Valley and the San Francisco Peninsula. With $ in revenue in 2019, it is the l ...
, the number of residents needing food distribution increased 40% from 270,000 in February to 370,000 in April. The Alameda County Community Food Bank has distributed over a million of pounds of food a week and seen lines stretching more than 1,000 cars in a day.


Housing

An ongoing housing shortage in California has increased housing costs dramatically and contributed to the Bay Area's high rates of homelessness. Homeless shelters have been major sites of community transmission. On April 10, 70 of 144 occupants of one homeless shelter in
San Francisco San Francisco (; Spanish for " Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the fourth most populous in California and 17t ...
were confirmed to have COVID-19. By April, the number of tents and makeshift structures increased by 71% over the previous quarter in San Francisco and by 285% in the Tenderloin neighborhood specifically. , San Francisco has leased 2,700 hotel rooms as emergency housing for at-risk homeless people and first responders. Although the state government has reserved hotel rooms throughout the state for similar purposes, homeless people have come to the city from other areas looking for hotel rooms, prompting Mayor
London Breed London Nicole Breed (born August 11, 1974) is an American politician who is the 45th and current mayor of the City and County of San Francisco. She was supervisor for District 5 and was president of the San Francisco Board of Supervisors, Board ...
to focus the city's emergency housing resources on local homeless people. There are nearly 6,200 homeless people in San Jose, most of them Hispanic or African American. At least 2,500 are considered at high risk for infection due to underlying health conditions. The city added more than 400 temporary beds at homeless shelters, including a temporary shelter near the
San Jose Convention Center The San Jose McEnery Convention Center (commonly known simply as the San Jose Convention Center) is a convention center in Downtown San Jose, California. The facility is the largest convention center in Silicon Valley. It is known for hostin ...
. In mid-March, shortly after the shelter-in-place order took effect, the Governor's Office of Emergency Services delivered 104 trailers to a property near Happy Hollow Park & Zoo to use as emergency housing. After repairs, 90 trailers began accepting occupants on May 14. On March 17, San Jose became one of the first jurisdictions in the U.S. to place a moratorium on evictions, followed by surrounding
Santa Clara County Santa Clara County, officially the County of Santa Clara, is the sixth-most populous county in the U.S. state of California, with a population of 1,936,259, as of the 2020 census. Santa Clara County and neighboring San Benito County together ...
,
San Francisco San Francisco (; Spanish for " Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the fourth most populous in California and 17t ...
,
Oakland Oakland is the largest city and the county seat of Alameda County, California, United States. A major West Coast port, Oakland is the largest city in the East Bay region of the San Francisco Bay Area, the third largest city overall in the Bay ...
, and cities across the country. The following Bay Area jurisdictions have placed moratoria on evictions: *
Alameda County Alameda County ( ) is a county located in the U.S. state of California. As of the 2020 census, the population was 1,682,353, making it the 7th-most populous county in the state and 21st most populous nationally. The county seat is Oakland. Alam ...
until December 31 or until the local health emergency expires, whichever comes later ** Fremont until 30 days after the local health emergency expires ** Hayward until September 30 **
Oakland Oakland is the largest city and the county seat of Alameda County, California, United States. A major West Coast port, Oakland is the largest city in the East Bay region of the San Francisco Bay Area, the third largest city overall in the Bay ...
until August 31 *
Contra Costa County ) of the San Francisco Bay , subdivision_type = Country , subdivision_name = United States , subdivision_type1 = State , subdivision_name1 = California , subdivision_type2 ...
until September 30 **
Concord Concord may refer to: Meaning "agreement" * Pact or treaty, frequently between nations (indicating a condition of harmony) * Harmony, in music * Agreement (linguistics), a change in the form of a word depending on grammatical features of other ...
until September 30 **
Richmond Richmond most often refers to: * Richmond, Virginia, the capital of Virginia, United States * Richmond, London, a part of London * Richmond, North Yorkshire, a town in England * Richmond, British Columbia, a city in Canada * Richmond, Californi ...
until September 30 *
San Francisco San Francisco (; Spanish for " Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the fourth most populous in California and 17t ...
until August 31 * San Mateo County until August 31 ** San Mateo for commercial tenants until the local health emergency expires *
Santa Clara County Santa Clara County, officially the County of Santa Clara, is the sixth-most populous county in the U.S. state of California, with a population of 1,936,259, as of the 2020 census. Santa Clara County and neighboring San Benito County together ...
until August 31 ** Mountain View until August 31 **
Palo Alto Palo Alto (; Spanish for "tall stick") is a charter city in the northwestern corner of Santa Clara County, California, United States, in the San Francisco Bay Area, named after a coastal redwood tree known as El Palo Alto. The city was es ...
until the local health emergency expires ** San Jose until August 31 **
Sunnyvale Sunnyvale () is a city located in the Santa Clara Valley in northwest Santa Clara County in the U.S. state of California. Sunnyvale lies along the historic El Camino Real and Highway 101 and is bordered by portions of San Jose to the nort ...
until the local health emergency expires San Jose temporarily modified its
rent control Rent regulation is a system of laws, administered by a court or a public authority, which aims to ensure the affordability of housing and tenancies on the rental market for dwellings. Generally, a system of rent regulation involves: *Price cont ...
ordinance to place a moratorium on rent increases through the end of 2020, affecting tens of thousands of apartment buildings and mobile home parks. Oakland also extended a 3.5% limit to rent increases until June 30.


Legal system

On March 20, Alameda County officials announced that 247 people would be released from Santa Rita Jail in
Dublin Dublin (; , or ) is the capital and largest city of Ireland. On a bay at the mouth of the River Liffey, it is in the province of Leinster, bordered on the south by the Dublin Mountains, a part of the Wicklow Mountains range. At the 2016 ...
.


Transportation

Beginning March 13, the
United States Department of Homeland Security The United States Department of Homeland Security (DHS) is the U.S. federal executive department responsible for public security, roughly comparable to the interior or home ministries of other countries. Its stated missions involve anti-ter ...
required Americans traveling from the
Schengen Area The Schengen Area ( , ) is an area comprising 27 European countries that have officially abolished all passport and all other types of border control at their mutual borders. Being an element within the wider area of freedom, security and ...
, China, and Iran to enter the U.S. through one of 13 airports, including
San Francisco International Airport San Francisco International Airport is an international airport in an unincorporated area of San Mateo County, south of Downtown San Francisco. It has flights to points throughout North America and is a major gateway to Europe, the Middl ...
(SFO). In March, 508,100 passengers traveled through the San Jose International Airport (SJC), down 58.6% year over year, after consistent gains before the pandemic. By the beginning of April, foot traffic at SFO, SJC, and
Oakland International Airport Oakland International Airport is an international airport in Oakland, California, United States, 10 miles (16 km) south of downtown located in the San Francisco Bay Area. It is owned by the Port of Oakland and has domestic passenger ...
had fallen by 73% compared to before the pandemic, according to Foursquare location tracking data. Public transportation agencies in the Bay Area have lost significant sources of funding from simultaneous, dramatic declines in ridership and sales tax revenue and the suspension of planned fare increases, even as the agencies maintain core service to serve essential workers. The agencies expect to receive $ in stimulus funding from the Metropolitan Transportation Commission under the
Coronavirus Aid, Relief, and Economic Security Act The Coronavirus Aid, Relief, and Economic Security Act, also known as the CARES Act, is a $2.2trillion Stimulus (economics), economic stimulus bill passed by the 116th U.S. Congress and signed into law by President Donald Trump on March 27, 2 ...
, with the largest share going to the
Bay Area Rapid Transit District The San Francisco Bay Area Rapid Transit District, or BART, is a special-purpose district body that governs the Bay Area Rapid Transit system in the California counties of Alameda, Contra Costa and San Francisco. The system itself also serves nor ...
and
San Francisco Municipal Transportation Agency The San Francisco Municipal Transportation Agency (SFMTA or San Francisco MTA) is an agency created by consolidation of the San Francisco Municipal Railway (Muni), the Department of Parking and Traffic (DPT), and the Taxicab Commission. The age ...
. In the first week of the shelter-in-place order,
Bay Area Rapid Transit Bay Area Rapid Transit (BART) is a rapid transit system serving the San Francisco Bay Area in California. BART serves 50 stations along six routes on of rapid transit lines, including a spur line in eastern Contra Costa County which u ...
(BART) ridership fell by 87% to 89% of average ridership in February, though it had already begun falling with technology companies' transition to
remote work Remote work, also called work from home (WFH), work from anywhere, telework, remote job, mobile work, and distance work is an employment arrangement in which employees do not commute to a central place of work, such as an office building, ware ...
. Ridership in April and early May stayed between 90% and 94% below the baseline average. BART suspended late weekday night service on March 23, 2020, and reduced weekend service on March 28, 2020. Beginning April 8, BART reduced weekday train frequency by half and ran only long train consists to facilitate
social distancing In public health, social distancing, also called physical distancing, (NB. Regula Venske is president of the PEN Centre Germany.) is a set of non-pharmaceutical interventions or measures intended to prevent the spread of a contagious dis ...
. To prepare for commuters' return to BART, the system accelerated its adoption of contactless payment, eliminating paper ticket vending machines in favor of
Clipper card The Clipper card is a reloadable contactless smart card used for automated fare collection in the San Francisco Bay Area. First introduced as TransLink in 2002 by the Metropolitan Transportation Commission (MTC) as a pilot program, it was rebran ...
vending machines at several stations and expanding its mobile application's parking payment feature to all stations.
Caltrain Caltrain (reporting mark JPBX) is a California commuter rail line serving the San Francisco Peninsula and Santa Clara Valley (Silicon Valley). The southern terminus is in San Jose at Tamien station with weekday rush hour service running as fa ...
's ridership dropped by 75% in the first half of March, prior to the Bay Area–wide shelter-in-place order taking effect, then dropped further to only five percent of normal levels, resulting in losses of $ per month. Due to low ridership, Caltrain suspended Baby Bullet service on March 13. On March 26, it further reduced weekday service from 92 trains per day to 42, suspending Limited service. The Peninsula Corridor Joint Powers Board, which operates Caltrain, had been planning to propose a one-eighth-cent sales tax for voter approval later in the year, to provide an estimated $ of dedicated funding for the system, which currently relies on rider fares for 70% of its revenue. In July, after the
San Francisco Board of Supervisors The San Francisco Board of Supervisors is the legislative body within the government of the City and County of San Francisco. Government and politics The City and County of San Francisco is a consolidated city-county, being simultaneously a c ...
initially declined to consider the ballot proposal, citing concerns about the system's governance structure, Caltrain officials warned that the agency would run out of operating funds and be forced to suspend service by the end of the year. In August, San Mateo County officials agreed to make Caltrain more independent from
SamTrans SamTrans (stylized as samTrans; officially the San Mateo County Transit District) is a public transport agency in and around San Mateo, California, in the San Francisco Bay Area. It provides bus service throughout San Mateo County and into porti ...
in exchange for places the sales tax on the ballot. In June 2021, Caltrain announced that electric service would be delayed to late 2024 partly due to supply chain disruptions during the pandemic. On May 4, the
Santa Clara Valley Transportation Authority The Santa Clara Valley Transportation Authority, more commonly known simply as the Valley Transportation Authority (VTA), is a Special district (United States), special district responsible for public transit services, Congestion management agenc ...
began requiring every rider to wear a face covering, such as a
cloth face mask A cloth face mask is a mask made of common textiles, usually cotton, worn over the mouth and nose. When more effective masks are not available, and when physical distancing is impossible, cloth face masks are recommended by public health agenc ...
, to reduce the risk of transmission. The
San Francisco Municipal Railway The San Francisco Municipal Railway (SF Muni or Muni), is the public transit system for the City and County of San Francisco. It operates a system of bus routes (including trolleybuses), the Muni Metro light rail system, three historic cabl ...
reduced bus service to core routes and suspended
Muni Metro Muni Metro is a light rail system serving San Francisco, California, United States. Operated by the San Francisco Municipal Railway (Muni), a part of the San Francisco Municipal Transportation Agency (SFMTA), Muni Metro served an average of 15 ...
service. On March 21, state-owned toll bridges in the Bay Area stopped accepting cash in favor of
open road tolling Open road tolling (ORT), also called all-electronic tolling, cashless tolling, or free-flow tolling, is the collection of tolls on toll roads without the use of toll booths. An electronic toll collection system is usually used instead. The ma ...
via FasTrak and paying by plate. FasTrak also temporarily suspended late fees and collections. On April 29,
Lyft Lyft, Inc. offers mobility as a service, ride-hailing, vehicles for hire, motorized scooters, a bicycle-sharing system, rental cars, and food delivery in the United States and select cities in Canada. Lyft sets fares, which vary using a dyn ...
discontinued its electric scooter service in San Jose and
Oakland Oakland is the largest city and the county seat of Alameda County, California, United States. A major West Coast port, Oakland is the largest city in the East Bay region of the San Francisco Bay Area, the third largest city overall in the Bay ...
in conjunction with a major round of layoffs. Lyft continued to operate its
Bay Wheels Bay Wheels is a regional public bicycle sharing system in California's San Francisco Bay Area. It is operated by Motivate in a partnership with the Metropolitan Transportation Commission and the Bay Area Air Quality Management District. Bay W ...
bike sharing service.


Race relations

There have been documented incidents of racism towards Bay Area
Asian Pacific American Asian/Pacific American (APA) or Asian/Pacific Islander (API) or Asian American and Pacific Islanders (AAPI) or Asian American and Native Hawaiians/Pacific Islander (AANHPI) is a term sometimes used in the United States when including both Asian ...
s. Officials and community-based organizations expressed concern that fears about COVID-19 were disproportionately affecting local Asian-American businesses. On February 24, House Speaker
Nancy Pelosi Nancy Patricia Pelosi (; ; born March 26, 1940) is an American politician who has served as Speaker of the United States House of Representatives since 2019 and previously from 2007 to 2011. She has represented in the United States House of ...
toured San Francisco's
Chinatown A Chinatown () is an ethnic enclave of Chinese people located outside Greater China, most often in an urban setting. Areas known as "Chinatown" exist throughout the world, including Europe, North America, South America, Asia, Africa and Aust ...
to support local shops that had seen declining business since the epidemic began in China. Several peaceful protests took place in the Bay Area during the pandemic to raise awareness about police brutality. One in San Mateo on June 3, 2020, was attended by hundreds of people. A youth-led protest against
police brutality Police brutality is the excessive and unwarranted use of force by law enforcement against an individual or a group. It is an extreme form of police misconduct and is a civil rights violation. Police brutality includes, but is not limited to ...
in San Francisco attracted at least 10,000 protesters to the
Mission District The Mission District (Spanish: ''Distrito de la Misión''), commonly known as The Mission (Spanish: ''La Misión''), is a neighborhood in San Francisco, California. One of the oldest neighborhoods in San Francisco, the Mission District's name is ...
.


Recreation

To promote social distancing during the
Memorial Day Memorial Day (originally known as Decoration Day) is a federal holiday in the United States for mourning the U.S. military personnel who have fought and died while serving in the United States armed forces. It is observed on the last Monda ...
weekend, the
San Francisco Recreation & Parks Department The San Francisco Recreation & Parks Department is the city agency responsible for governing and maintaining all city-owned parks and recreational facilities in San Francisco, California. The Recreation & Parks Department also runs Sharp Park i ...
painted a grid of white circles in diameter, spaced apart, on the grass at Mission Dolores Park, Washington Square, and two other city parks. City of Berkeley posted signs with numbers of people allowed on the playgrounds and reminding users to maintain social distancing and limits. The fifth semiannual Viva CalleSJ street festival in San Jose had been scheduled for May 17 but was replaced with a virtual tour.


Religion

On March 13, 2020, the Roman Catholic Diocese of San José closed all diocesan schools from until at least April 20. It suspended public Masses and dispensed with the obligation to attend Mass from March 14 until further notice. The
Diocese of Oakland The Diocese of Oakland ( la, Diœcesis Quercopolitana) is a Latin Church ecclesiastical territory or diocese of the Catholic Church in Northern California. The diocese comprises Alameda and Contra Costa Counties in the San Francisco Bay Area. T ...
also suspended public Masses on March 16, and the
Archdiocese of San Francisco The Archdiocese of San Francisco (Latin: ''Archdiœcesis Sancti Francisci''; Spanish: ''Archidiócesis de San Francisco'') is a Latin Church ecclesiastical territory or diocese of the Catholic Church in the northern California region of the Unite ...
and Diocese of Santa Rosa followed suit on March 17. On March 18, the California Catholic Conference of bishops suspended the public celebration of Mass throughout the state until further notice. On May 23, 2021, the Diocese of Santa Rosa lifted the dispensation from obligation to attend Sunday Mass. The Archdiocese of San Francisco also lifted the dispensation on June 24, followed by the Diocese of Oakland on August 15. On February 8, 2022, the Diocese of San José announced that the dispensation would be lifted effective March 6.


Sports

After Santa Clara County banned all large gatherings larger than 1,000 people for a three-week period beginning March 11, the
San Jose Sharks The San Jose Sharks are a professional ice hockey team based in San Jose, California. They compete in the National Hockey League (NHL) as a member of the Pacific Division in the Western Conference, and are owned by San Jose Sports & Entertain ...
of the NHL and the
Golden State Warriors The Golden State Warriors are an American professional basketball team based in San Francisco. The Warriors compete in the National Basketball Association (NBA), as a member of the league's Western Conference Pacific Division. Founded in 194 ...
of the NBA announced that all of their remaining home games of the regular season would be played behind closed doors with no spectators. With their game on March 12 against the
Brooklyn Nets The Brooklyn Nets are an American professional basketball team based in the New York City borough of Brooklyn. The Nets compete in the National Basketball Association (NBA) as a member of the Atlantic Division of the Eastern Conference. The ...
, the Warriors were to be the first professional sports team in the United States to play a home game behind closed doors due to the pandemic, before the NBA suspended the season one day prior. Along with a
Sacramento ) , image_map = Sacramento County California Incorporated and Unincorporated areas Sacramento Highlighted.svg , mapsize = 250x200px , map_caption = Location within Sacramento ...
-area school,
Archbishop Riordan High School Archbishop Riordan High School is a diocesan, co-ed Catholic high school established by the Society of Mary in San Francisco, California. It is part of the Roman Catholic Archdiocese of San Francisco. It opened in fall 1949 as Riordan High Schoo ...
and the
Menlo School Menlo School, also referred to as Menlo, is a private college preparatory school in Atherton, California, United States, across the street from Menlo Park. Menlo comprises a middle school, grades 6–8, with approximately 230 students, an ...
withdrew from the
California Interscholastic Federation The California Interscholastic Federation (CIF) is the governing body for high school sports in the U.S. state of California. CIF membership includes both public and private high schools. Unlike most other state organizations, it does not have a ...
(CIF) Northern California championship tournament after their schools were forced to close. Stanford University announced plans to cut 11 of its 36 varsity sports at the end of the 2020–21 school year, citing a $ deficit due to the pandemic.


Vaccinations

The first vaccinations in the Bay Area took place on December 15, 2020, at
Zuckerberg San Francisco General Hospital The Priscilla Chan and Mark Zuckerberg San Francisco General Hospital and Trauma Center (ZSFG) is a Public hospital in San Francisco, California, under the purview of the city's Department of Public Health. It serves as the only Level I Trauma Ce ...
after the city received 12,500 doses of the Pfizer vaccine. Mass vaccination sites were opened across the region in February 2021. The first three mass vaccination sites were located at the
Oakland Coliseum Oakland Coliseum, currently branded as RingCentral Coliseum, is a stadium in Oakland, California. It is part of the Oakland–Alameda County Coliseum Complex, with the adjacent Oakland Arena, near Interstate 880. The Coliseum is the home b ...
, the
Moscone Center The George R. Moscone Convention Center (pronounced ), popularly known as the Moscone Center, is the largest convention and exhibition complex in San Francisco, California. The complex consists of three main halls spread out across three block ...
and City College.


Environmental impact

The Bay Area–wide shelter-in-place order resulted in significant a reduction in road traffic volume, the main source of air pollution in the area. During the first week after the shelter-in-place order took effect, air pollutant levels fell by one-third year over year, while
nitrogen dioxide Nitrogen dioxide is a chemical compound with the formula . It is one of several nitrogen oxides. is an intermediate in the industrial synthesis of nitric acid, millions of tons of which are produced each year for use primarily in the productio ...
levels in the atmosphere dropped by roughly half compared to the previous week. Traffic on the
San Francisco–Oakland Bay Bridge The San Francisco–Oakland Bay Bridge, known locally as the Bay Bridge, is a complex of bridges spanning San Francisco Bay in California. As part of Interstate 80 and the direct road between San Francisco and Oakland, it carries about 260,000 ...
fell by about 40% compared to two weeks earlier. By April, traffic in the Bay Area had decreased by 70%. An 11% reduction in shipping traffic at the
Port of Oakland The Port of Oakland is a major container ship facility located in Oakland, California, in the San Francisco Bay. It was the first major port on the Pacific Coast of the United States to build terminals for container ships. As of 2011 it was the f ...
could have also contributed to air quality improvements. An assistant professor of
earth system science Earth system science (ESS) is the application of systems science to the Earth. In particular, it considers interactions and 'feedbacks', through material and energy fluxes, between the Earth's sub-systems' cycles, processes and "spheres"— atmo ...
at
Stanford University Stanford University, officially Leland Stanford Junior University, is a private research university in Stanford, California. The campus occupies , among the largest in the United States, and enrolls over 17,000 students. Stanford is conside ...
estimated that improved Bay Area air quality during the shutdown would result in roughly 10 fewer deaths caused by air pollution per week. According to
Save the Bay Save The Bay is a nonprofit organization dedicated to preserving San Francisco Bay and its related estuarine habitat areas. Founded by Catherine Kerr, Sylvia McLaughlin, and Esther Gulick in 1961, the organization grew into a body that not on ...
, the decrease in traffic volume also led to decreased water and noise pollution in and around
San Francisco Bay San Francisco Bay is a large tidal estuary in the U.S. state of California, and gives its name to the San Francisco Bay Area. It is dominated by the big cities of San Francisco, San Jose, and Oakland. San Francisco Bay drains water f ...
. However, traffic volumes and congestion may return to normal levels or worse after the shelter-in-place orders are lifted, due to the avoidance of public transportation. Disposable, non-biodegradable face masks and latex gloves used during the pandemic have been discarded on sidewalks and in lakes, raising concern about new sources of litter going into the San Francisco Bay at a time when fewer volunteers are available to pick up litter.


See also

* Alameda County medical cases chart * Contra Costa County medical cases chart * Marin County medical cases chart * Napa County medical cases chart * San Francisco County medical cases chart * San Mateo County medical cases chart * Santa Clara County medical cases chart * Solano County medical cases chart * Sonoma County medical cases chart * Anti-Mask League of San Francisco


References


External links

Official COVID-19 portals:
Alameda County Public Health Department

Berkeley Public Health Division

Contra Costa Health Services

Marin Health and Human Services

Napa County Public Health

San Benito County Public Health Division

San Francisco Department of Public Health

San Mateo County Health

Santa Clara County Public Health

Santa Cruz County Health Services Agency

Solano County Public Health

Sonoma County Emergency and Preparedness Information
Community-based COVID-19 websites:
Bay Area Pandemic Dashboard
{{COVID-19 pandemic in the United States 2020 in California 2021 in California
San Francisco San Francisco (; Spanish for " Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the fourth most populous in California and 17t ...
San Francisco San Francisco (; Spanish for " Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the fourth most populous in California and 17t ...
History of the San Francisco Bay Area