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Retrieved 24 May 2023. The most controversial hypothesis for the origin of SARS-CoV-2 is also the one that most scientists agree is the least likely: that the virus somehow leaked out of a laboratory in Wuhan where researchers study bat coronaviruses. Ball P. "Three years on, Covid lab-leak theories aren't going away.
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.
e. Severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2) [2] is a strain of coronavirus that causes COVID-19, the respiratory illness responsible for the COVID-19 pandemic. [3] The virus previously had the provisional name 2019 novel coronavirus (2019-nCoV), [4][5][6][7] and has also been called human coronavirus 2019 (HCoV-19 or ...
The name "coronavirus" is derived from Latin corona, meaning "crown" or "wreath", itself a borrowing from Greek κορώνη korṓnē, "garland, wreath". [8][9] The name was coined by June Almeida and David Tyrrell who first observed and studied human coronaviruses. [10]
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]
COVID-19 is the deadliest pandemic in US history; [363] it was the third-leading cause of death in the US in 2020, behind heart disease and cancer. [364] From 2019 to 2020, US life expectancy dropped by 3 years for Hispanic Americans, 2.9 years for African Americans, and 1.2 years for white Americans. [365]
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. [ 7 ] 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 consistent ...
This brought the total confirmed U.S. deaths due to coronavirus to 22: 19 in Washington, 1 in California, and 2 in Florida. Hawaii: Second case is reported by Governor David Ige and State health officials is an elderly man who tested positive after returning from travel to Washington state earlier in the month.