The 2012–2013 flu season was an epidemic

flu season Flu season is an annually recurring time period characterized by the prevalence of an outbreak of influenza (flu). The season occurs during the cold half of the year in each hemisphere. It takes approximately two days to show symptoms. Influen ...

in the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

United States

By the week ending 29 December 2012, the CDC reported that 29

U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sover ...

s had high numbers of reports of flu. By 13 January, nearly all U.S. states had experienced elevated influenza levels. In 9 January after the city of

Boston Boston (), officially the City of Boston, is the state capital and most populous city of the Commonwealth of Massachusetts, as well as the cultural and financial center of the New England region of the United States. It is the 24th- mo ...

received reports of 700 cases of flu and 4 deaths, the city declared a

public health emergency In public relations and communication science, publics are groups of individual people, and the public (a.k.a. the general public) is the totality of such groupings. This is a different concept to the sociological concept of the ''Öffentlichkei ...

. Boston Mayor

Thomas Menino Thomas Michael Menino (December 27, 1942 – October 30, 2014) was an American politician who served as the 53rd mayor of Boston, from 1993 to 2014. He was the city's longest-serving mayor. He was elected mayor in 1993 after first serving three ...

said that "people should take the threat of flu seriously" and that people should receive the

influenza vaccine Influenza vaccines, also known as flu shots, are vaccines that protect against infection by influenza viruses. New versions of the vaccines are developed twice a year, as the influenza virus rapidly changes. While their effectiveness varies fr ...

and practice health safety. By 7 January 2013, there were 15,000 cases of flu reported in the state of

New York New York most commonly refers to: * New York City, the most populous city in the United States, located in the state of New York * New York (state), a state in the northeastern United States New York may also refer to: Film and television * '' ...

. In the previous year's entire flu season, there were only 4,400 cases in the same region.

New York Governor The governor of New York is the head of government of the U.S. state of New York. The governor is the head of the executive branch of New York's state government and the commander-in-chief of the state's military forces. The governor ha ...

Andrew Cuomo Andrew Mark Cuomo ( ; ; born December 6, 1957) is an American lawyer and politician who served as the 56th governor of New York from 2011 to 2021. A member of the Democratic Party, he was elected to the same position that his father, Mario Cuo ...

declared a Public Health Emergency, relaxing regulations as to whom pharmacists can immunize.

Vaccination

The

U.S. Centers for Disease Control The Centers for Disease Control and Prevention (CDC) is the National public health institutes, national public health agency of the United States. It is a Federal agencies of the United States, United States federal agency, under the United S ...

recommends that all persons in the United States receive an annual

. In January 2013, the CDC reported that the vaccine available in the United States had a 62%

vaccine efficacy Vaccine efficacy or vaccine effectiveness is the percentage reduction of disease cases in a vaccinated group of people compared to an unvaccinated group. For example, a vaccine efficacy or effectiveness of 80% indicates an 80% decrease in the ...

with a 95%

confidence interval In frequentist statistics, a confidence interval (CI) is a range of estimates for an unknown parameter. A confidence interval is computed at a designated ''confidence level''; the 95% confidence level is most common, but other levels, such as 9 ...

of 51%-71%.

China

Influenza A virus subtype H3N2 Influenza A virus subtype H3N2 (A/H3N2) is a subtype of viruses that causes influenza (flu). H3N2 viruses can infect birds and mammals. In birds, humans, and pigs, the virus has mutation, mutated into many strains. In years in which H3N2 is the ...

infections have predominated in

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

, which since November has reported low levels of flu infection

European Union

The

European Union The European Union (EU) is a supranational political and economic union of member states that are located primarily in Europe. The union has a total area of and an estimated total population of about 447million. The EU has often been des ...

reported low but increasing levels of flu infection in the first week of 2013.

References

External links

the CDC's frequently asked questions about the 2012-2013 flu season
{{DEFAULTSORT:Flu season 2013 disasters in the United States

2013 File:2013 Events Collage V2.png, From left, clockwise: Edward Snowden becomes internationally famous for leaking classified NSA wiretapping information; Typhoon Haiyan kills over 6,000 in the Philippines and Southeast Asia; The Dhaka garment fact ...