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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 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]
A COVID-19 vaccine is intended to provide acquired immunity against severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2), the virus that causes coronavirus disease 2019 . Prior to the COVID-19 pandemic, an established body of knowledge existed about the structure and function of coronaviruses causing diseases like severe acute ...
COVID-19 is expected to circulate indefinitely, but as of 2024, experts were uncertain as to whether it was still a pandemic or had become endemic. [ 2 ] [ 3 ] Pandemics and their ends are not well-defined, and whether or not one has ended differs according to the definition used.
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This article documents the chronology and epidemiology of SARS-CoV-2 in 2019, the virus that causes coronavirus disease 2019 and is responsible for the COVID-19 pandemic. The first human cases of COVID-19 known to have been identified were in Wuhan , Hubei , China , in December 2019.
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.
On 28 February 2023, the head of the Federal Bureau of Investigation, Christopher Wray, said the bureau believes Covid-19 most likely originated in the lab. [97] On 20 March 2023, the COVID-19 Origin Act of 2023 was signed into law. On June 23, 2023, the Biden administration released its report, as required by the Act. [98]
A 7 February autopsy [59] was completed in April (after virus tests on tissue samples) and attributed the death to Transmural Myocardial Ischemia (Infarction) with a Minor Component of Myocarditis due to COVID-19 Infection. Her case indicates that community transmission was happening undetected in the US, most likely since December.