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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]
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]
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.
SARS-CoV-2 is the seventh known coronavirus to infect people, after 229E, NL63, OC43, HKU1, MERS-CoV, and the original SARS-CoV. [105] Like the SARS-related coronavirus implicated in the 2003 SARS outbreak, SARS‑CoV‑2 is a member of the subgenus Sarbecovirus (beta-CoV lineage B). [106] [107] Coronaviruses undergo frequent recombination. [108]
Coronavirus diseases are caused by viruses in the coronavirus subfamily, a group of related RNA viruses that cause diseases in mammals and birds. In humans and birds, the group of viruses cause respiratory tract infections that can range from mild to lethal.
The study was commissioned by the Director-General of the World Health Organization following a request by the 2020 World Health Assembly in which 122 WHO members proposed a motion, which included a call for a "comprehensive, independent and impartial" study into the COVID-19 pandemic" [2] [3] The WHO disbanded the team and proposed a new panel ...
The COVID-19 pandemic (also known as the coronavirus pandemic and COVID pandemic), caused by severe acute respiratory syndrome coronavirus 2 , began with an outbreak of COVID-19 in Wuhan, China, in December 2019. It spread to other areas of Asia, and then worldwide in early 2020.
The Proximal Origin is a reference to a scientific correspondence titled "The proximal origin of SARS-CoV-2" and the events of scientific and political controversies arising from it. [ 1 ] [ 2 ] The letter, published in the journal Nature Medicine on 17 March 2020, was written by a group of virologists including Kristian G. Andersen , Andrew ...