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Investigations Into The Origin Of COVID-19
There are several ongoing efforts by scientists, governments, international organisations, and others to determine the origin of SARS-CoV-2, the virus responsible for the COVID-19 pandemic. Most scientists say that as with other pandemics in human history, the virus is likely of zoonotic origin in a natural setting, and ultimately originated from a bat-borne virus. Many other explanations, including several conspiracy theories, have been proposed about the origins of the virus. Some scientists and politicians have speculated that SARS-CoV-2 was accidentally released from a laboratory, but this theory is considered much less likely than a natural origin due to the absence of supporting evidence. SARS-CoV-2 has close genetic similarity to multiple previously identified bat coronaviruses, suggesting it crossed over into humans from bats. Research is ongoing as to whether SARS-CoV-2 came directly from bats or indirectly through any intermediate hosts. Initial genome sequences of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Severe Acute Respiratory Syndrome Coronavirus 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 Novel coronavirus, provisional name, 2019 novel coronavirus (2019-nCoV), and has also been called the human coronavirus 2019 (HCoV-19 or hCoV-19). First identified in the city of Wuhan, Hubei, China, the World Health Organization declared the outbreak a public health emergency of international concern on January 30, 2020, and a pandemic on March 11, 2020. SARS‑CoV‑2 is a positive-sense single-stranded RNA virus that is Contagious disease, contagious in humans. SARS‑CoV‑2 is a virus of the species ''severe acute respiratory syndrome–related coronavirus'' (SARSr-CoV), related to the Severe acute respiratory syndrome coronavirus 1, SARS-CoV-1 virus that caused the 2002–2004 SARS outbreak. Despite its close relation to SARS-CoV-1, i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Severe Acute Respiratory Syndrome Coronavirus
Severe acute respiratory syndrome coronavirus 1 (SARS-CoV-1; or Severe acute respiratory syndrome coronavirus, SARS-CoV) is a strain of coronavirus that causes severe acute respiratory syndrome (SARS), the respiratory illness responsible for the 2002–2004 SARS outbreak. It is an enveloped, positive-sense, single-stranded RNA virus that infects the epithelial cells within the lungs. The virus enters the host cell by binding to angiotensin-converting enzyme 2. It infects humans, bats, and palm civets. On April 16, 2003, following the outbreak of SARS in Asia and secondary cases elsewhere in the world, the World Health Organization (WHO) issued a press release stating that the coronavirus identified by a number of laboratories was the official cause of SARS. The Centers for Disease Control and Prevention (CDC) in the United States and the National Microbiology Laboratory (NML) in Canada identified the SARS-CoV-1 genome in April 2003. Scientists at Erasmus University in Rotter ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Severe Acute Respiratory Syndrome–related Coronavirus
''Severe acute respiratory syndrome–related coronavirus'' (SARSr-CoV or SARS-CoV)The terms ''SARSr-CoV'' and ''SARS-CoV'' are sometimes used interchangeably, especially prior to the discovery of SARS-CoV-2. This may cause confusion when some publications refer to SARS-CoV-1 as ''SARS-CoV''. is a species of virus consisting of many known strains phylogenetically related to severe acute respiratory syndrome coronavirus 1 (SARS-CoV-1) that have been shown to possess the capability to infect humans, bats, and certain other mammals. These enveloped, positive-sense single-stranded RNA viruses enter host cells by binding to the angiotensin-converting enzyme 2 (ACE2) receptor. The SARSr-CoV species is a member of the genus ''Betacoronavirus'' and of the subgenus ''Sarbecovirus'' (SARS Betacoronavirus). Two strains of the virus have caused outbreaks of severe respiratory diseases in humans: severe acute respiratory syndrome coronavirus 1 (SARS-CoV or SARS-CoV-1), which caused the 20 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Virus Classification
Virus classification is the process of naming viruses and placing them into a taxonomic system similar to the classification systems used for cellular organisms. Viruses are classified by phenotypic characteristics, such as morphology, nucleic acid type, mode of replication, host organisms, and the type of disease they cause. The formal taxonomic classification of viruses is the responsibility of the International Committee on Taxonomy of Viruses (ICTV) system, although the Baltimore classification system can be used to place viruses into one of seven groups based on their manner of mRNA synthesis. Specific naming conventions and further classification guidelines are set out by the ICTV. A catalogue of all the world's known viruses has been proposed and, in 2013, some preliminary efforts were underway. Definitions Species definition Species form the basis for any biological classification system. Before 1982, it was thought that viruses could not be made to fit Ernst Mayr's r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Popular Science
''Popular Science'' (also known as ''PopSci'') is an American digital magazine carrying popular science content, which refers to articles for the general reader on science and technology subjects. ''Popular Science'' has won over 58 awards, including the American Society of Magazine Editors awards for its journalistic excellence in 2003 (for General Excellence), 2004 (for Best Magazine Section), and 2019 (for Single-Topic Issue). With roots beginning in 1872, ''Popular Science'' has been translated into over 30 languages and is distributed to at least 45 countries. Early history ''The Popular Science Monthly'', as the publication was originally called, was founded in May 1872 by Edward L. Youmans to disseminate scientific knowledge to the educated layman. Youmans had previously worked as an editor for the weekly ''Appleton's Journal'' and persuaded them to publish his new journal. Early issues were mostly reprints of English periodicals. The journal became an outlet for writings ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Zoonosis
A zoonosis (; plural zoonoses) or zoonotic disease is an infectious disease of humans caused by a pathogen (an infectious agent, such as a bacterium, virus, parasite or prion) that has jumped from a non-human (usually a vertebrate) to a human. Typically, the first infected human transmits the infectious agent to at least one other human, who, in turn, infects others. Major modern diseases such as Ebola virus disease and salmonellosis are zoonoses. HIV was a zoonotic disease transmitted to humans in the early part of the 20th century, though it has now evolved into a separate human-only disease. Most strains of influenza that infect humans are human diseases, although many strains of bird flu and swine flu are zoonoses; these viruses occasionally recombine with human strains of the flu and can cause pandemics such as the 1918 Spanish flu or the 2009 swine flu. ''Taenia solium'' infection is one of the neglected tropical diseases with public health and veterinary concern in en ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Severe Acute Respiratory Syndrome Coronavirus 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 Novel coronavirus, provisional name, 2019 novel coronavirus (2019-nCoV), and has also been called the human coronavirus 2019 (HCoV-19 or hCoV-19). First identified in the city of Wuhan, Hubei, China, the World Health Organization declared the outbreak a public health emergency of international concern on January 30, 2020, and a pandemic on March 11, 2020. SARS‑CoV‑2 is a positive-sense single-stranded RNA virus that is Contagious disease, contagious in humans. SARS‑CoV‑2 is a virus of the species ''severe acute respiratory syndrome–related coronavirus'' (SARSr-CoV), related to the Severe acute respiratory syndrome coronavirus 1, SARS-CoV-1 virus that caused the 2002–2004 SARS outbreak. Despite its close relation to SARS-CoV-1, i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Zhao Lijian
Zhao Lijian (; born 10 November 1972) is a Chinese politician and the deputy director of the Chinese Ministry of Foreign Affairs Information Department. He is the 31st spokesperson since the position was established in 1983. He joined the foreign service in 1996, and has served primarily in Asia. Zhao became notable during his time serving in Pakistan for his outspoken use of Twitter, a social network website that is blocked within China. He has been identified as a prominent leader of the new generation of "China's 'Wolf Warrior' Diplomats." Biography Zhao Lijian was born in the town of , in Luannan County, Tangshan, Hebei in November 1972. He studied at Luannan County No. 1 Middle School. He graduated from Changsha Railway College (merged to form Central South University) with a major in foreign language studies. He obtained a master's degree in public policy from the Korea Development Institute, where he studied between February and December 2005. Zhao joined the Departme ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Health Commission
The National Health Commission of the People's Republic of China is a cabinet-level executive department of the State Council which is responsible for formulating national health policies. It was formed on 19 March 2018. The ministry is headquartered in Beijing. The commission is led by a Minister of cabinet rank in the state council. Ma Xiaowei is the current Minister in charge of the Commission and Party Branch Secretary. Its predecessor was the National Health and Family Planning Commission. History Throughout most of PRC's rule since 1954, the national health portfolio has been the responsibility of the Ministry of Health; superseded in 2013 by the National Health and Family Planning Commission. In March 2018, the Government of the People's Republic of China announced that the National Health and Family Planning Commission was dissolved and that its functions were integrated into the new agency, the National Health Commission. China is a member of the World Health Org ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The New York Times
''The New York Times'' (''the Times'', ''NYT'', or the Gray Lady) is a daily newspaper based in New York City with a worldwide readership reported in 2020 to comprise a declining 840,000 paid print subscribers, and a growing 6 million paid digital subscribers. It also is a producer of popular podcasts such as '' The Daily''. Founded in 1851 by Henry Jarvis Raymond and George Jones, it was initially published by Raymond, Jones & Company. The ''Times'' has won 132 Pulitzer Prizes, the most of any newspaper, and has long been regarded as a national " newspaper of record". For print it is ranked 18th in the world by circulation and 3rd in the U.S. The paper is owned by the New York Times Company, which is publicly traded. It has been governed by the Sulzberger family since 1896, through a dual-class share structure after its shares became publicly traded. A. G. Sulzberger, the paper's publisher and the company's chairman, is the fifth generation of the family to head the pa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tedros Adhanom Ghebreyesus
Tedros Adhanom Ghebreyesus ( ti, ቴዎድሮስ አድሓኖም ገብረኢየሱስ, sometimes spelt ti, ቴድሮስ ኣድሓኖም ገብረየሱስ, label=none; born 3 March 1965) is an Ethiopian public health official, researcher, and Director-General of the World Health Organization since 2017. Tedros is the first African to become WHO Director-General, receiving an endorsement for the role by the African Union. He played a role in the response to the Ebola virus epidemic, the ongoing COVID-19 pandemic, and the ongoing 2022 monkeypox outbreak. Prior to serving as Director-General, he held two high-level positions in the government of Ethiopia: Minister of Health from 2005 to 2012 and Minister of Foreign Affairs from 2012 to 2016. Tedros was included in ''Time''s 100 Most Influential People of 2020. Early life and education Tedros was born in Asmara, Eritrea (at that time part of the Ethiopian Empire), to Adhanom Gebreyesus and Melashu Weldegabir. His family or ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
WHO Director-general
The director-general of the World Health Organization (WHO) is the chief executive officer of WHO and the principal advisor to the United Nations on matters pertaining global health. The director general is elected by and answers to the World Health Assembly (WHA). The current director-general is Tedros Adhanom Ghebreyesus, who was appointed on 1 July 2017, and re-appointed on 24 May 2022. The Director-General also leads the WHO Secretariat and is also the ex-officio Secretary of the World Health Assembly, the WHO Executive Board, and of all commissions and committees, and conferences convened by the Organization. Selection process Candidates for Director-General can be proposed by Member States, then nominated by the Executive Board and appointed by the World Health Assembly. The appointment process begins more than one year prior to the May vote, when the WHO sends out a letter informing Member States that the nomination process has begun. The nomination period ends in mid-Sept ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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