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SARS-related coronavirus is a member of the genus Betacoronavirus (group 2) and monotypic of the subgenus Sarbecovirus (subgroup B). [ 13] Sarbecoviruses, unlike embecoviruses or alphacoronaviruses, have only one papain-like proteinase (PLpro) instead of two in the open reading frame ORF1ab. [ 14] SARSr-CoV was determined to be an early split ...
Betacoronavirus (β-CoVs or Beta-CoVs) is one of four genera ( Alpha -, Beta-, Gamma-, and Delta-) of coronaviruses. Member viruses are enveloped, positive-strand RNA viruses that infect mammals, including humans. The natural reservoir for betacoronaviruses are bats and rodents. Rodents are the reservoir for the subgenus Embecovirus, while bats ...
COVID-19 pandemic by location [ 1] ^ Countries which do not report data for a column are not included in that column's world total. ^ Data on member states of the European Union are individually listed, but are also summed here for convenience. They are not double-counted in world totals. ^ Does not include special administrative regions ( Hong ...
The COVID-19 pandemic in El Salvador was a part of the worldwide pandemic of coronavirus disease 2019 ( COVID-19) caused by severe acute respiratory syndrome coronavirus 2 ( SARS-CoV-2 ). The virus was confirmed to have reached El Salvador on 18 March 2020. [ 4] As of 19 September 2021, El Salvador reported 102,024 cases, 3,114 deaths, and ...
A public health emergency of international concern (PHEIC / f eɪ k / FAYK) is a formal declaration by the World Health Organization (WHO) of "an extraordinary event which is determined to constitute a public health risk to other States through the international spread of disease and to potentially require a coordinated international response", formulated when a situation arises that is ...
The COVID-19 pandemic was covered in Wikipedia extensively, in real-time, and across multiple languages. This coverage extends to many detailed articles about various aspects of the topic itself, as well as many existing articles being amended to take account of the pandemic 's effect on them. [ 1] Wikipedia and other Wikimedia projects ...
The COVID-19 portal. Coronavirus disease 2019 ( COVID-19) is a contagious disease caused by the coronavirus SARS-CoV-2. The first known case was identified in Wuhan, China, in December 2019. Most scientists believe the SARS-CoV-2 virus entered into human populations through natural zoonosis, similar to the SARS-CoV-1 and MERS-CoV outbreaks, and ...
The timeline of the COVID-19 pandemic lists the articles containing the chronology and epidemiology of SARS-CoV-2, [ 1] the virus that causes the coronavirus disease 2019 ( COVID-19) and is responsible for the COVID-19 pandemic . The first human cases of COVID-19 occurred in Wuhan, People's Republic of China, on or about 17 November 2019. [ 2]