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1 day ago · v. t. e. The history of coronaviruses is an account of the discovery of the diseases caused by coronaviruses and the diseases they cause. It starts with the first report of a new type of upper-respiratory tract disease among chickens in North Dakota, U.S., in 1931. The causative agent was identified as a virus in 1933.
- SARS-related coronavirus
Severe-acute-respiratory-syndrome–related coronavirus...
- Face masks during the COVID-19 pandemic
During the COVID-19 pandemic, face masks or coverings,...
- SARS-related coronavirus
May 15, 2024 · coronavirus, any virus belonging to the family Coronaviridae. Coronaviruses have enveloped virions (virus particles) that measure approximately 120 nm (1 nm = 10 −9 metre) in diameter. Club-shaped glycoprotein spikes in the envelope give the viruses a crownlike, or coronal, appearance. The nucleocapsid, made up of a protein shell known as a ...
- The Editors of Encyclopaedia Britannica
- What is a coronavirus?Coronavirus is any virus belonging to the family Coronaviridae. Club-shaped glycoprotein spikes in the envelope give the viruses a crownlike, or co...
- What diseases are caused by coronaviruses?Coronaviruses cause SARS (severe acute respiratory syndrome), MERS (Middle East respiratory syndrome), and COVID-19 (coronavirus disease 2019). The...
- Does the virus that causes COVID-19 belong to the coronavirus family?The virus named severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) belongs to the coronavirus family and is closely related to the SARS c...
3 days ago · The ongoing spread of COVID-19 has been fueled by the emergence of variants in evolving lineages of SARS-CoV-2. Such variants generally carry mutations that strengthen characteristics such as the virus’s ability to infect individuals (including individuals who are vaccinated and who previously had COVID-19), to cause severe disease, and to potentially escape certain treatments.
- The Editors of Encyclopaedia Britannica
May 1, 2024 · Coronavirus disease 2019 (COVID-19) is defined as illness caused by a novel coronavirus called severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2; formerly called 2019-nCoV), which was first identified amid an outbreak of respiratory illness cases in Wuhan City, Hubei Province, China. [ 1] It was initially reported to the WHO on ...
4 days ago · COVID-19 vaccine, any of various suspensions that contain either modified mRNA, recombinant proteins, or immune-stimulating components of SARS-CoV-2, the cause of coronavirus disease 2019 (COVID-19). The vaccine was intended to prevent COVID-19. Learn about the types, effectiveness, and safety of COVID-19 vaccines.
