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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 ...
Gostin said the biggest value of the group would be not for COVID-19, but for the WHO to have an expert standing committee rigorously vetted to investigate future outbreaks where conflicts arise. [12] In July 2023, a review article in The New York Times details information to date about the origins of the Covid-19 virus. [9]
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]
[27] [28] In January 2020, the World Health Organization (WHO) recommended "2019 novel coronavirus" (2019-nCoV) [5] [29] as the provisional name for the virus. This was in accordance with WHO's 2015 guidance [ 30 ] against using geographical locations, animal species, or groups of people in disease and virus names.
The IBV-like novel cold viruses were soon shown to be also morphologically related to the mouse hepatitis virus. [19] This new group of viruses were named coronaviruses after their distinctive morphological appearance. [7] Human coronavirus 229E and human coronavirus OC43 continued to be studied in subsequent decades.
The COVID‑19 vaccines are widely credited for their role in reducing the spread of COVID‑19 and reducing the severity and death caused by COVID‑19. [ 211 ] [ 217 ] According to a June 2022 study, COVID‑19 vaccines prevented an additional 14.4 to 19.8 million deaths in 185 countries and territories from 8 December 2020 to 8 December 2021 ...