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The estimates depend on the definition of long COVID, the population studied, [17] as well as a number of other methodological differences, such as whether a comparable cohort of individuals without COVID-19 were included, [18] what kinds of symptoms are considered representative of long COVID, [18] and whether long COVID is assessed through a ...
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]
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]
In December 2019, a pneumonia outbreak was reported in Wuhan, China. [119] On 31 December 2019, the outbreak was traced to a novel strain of coronavirus, [120] which was given the interim name 2019-nCoV by the World Health Organization, [121] [122] [123] later renamed SARS-CoV-2 by the International Committee on Taxonomy of Viruses.
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 ...
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.
Symptoms of Coronavirus (COVID-19) Image title: 316475: Author: CDC: Software used: Adobe InDesign 15.0 (Windows) Conversion program: Adobe PDF Library 15.0: Encrypted: no: Page size: 612 x 792 pts (letter) Version of PDF format: 1.4
On 28 December 2019, Dr. Lili Ren, a virologist at the Peking Union Medical College in Beijing submitted a complete sequence of SARS-CoV-2 structure to GenBank. The sequence was never made public as it failed to include the annotations required for publication, and attempts by the NIH to contact Dr. Ren went unanswered.