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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 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]
[37] [38] [39] The official names COVID‑19 and SARS-CoV-2 were issued by the WHO on 11 February 2020 with COVID-19 being shorthand for "coronavirus disease 2019". [ 40 ] [ 41 ] The WHO additionally uses "the COVID‑19 virus" and "the virus responsible for COVID‑19" in public communications.
With a severe case of COVID-19, a person may experience weakness, lethargy, and fever for a prolonged period of time. However, in some cases, a person might not even show symptoms of having the ...
The researchers estimated that, in a group of 10,000 people who catch COVID-19 and will develop symptoms, about 101 would start showing symptoms after health officials had ceased monitoring them.
On January 20, Chinese authorities announced the confirmation that human-to-human transmission of the coronavirus had already occurred. [19] [20]The first recorded U.S. case of the new virus was also reported on January 20, in a 35-year-old American citizen traveling from Wuhan, China, to his home in Washington state.
While cramps are a common period-related pain, “it is not uncommon for people to have cramps outside of their menstrual cycle,” explains Kiarra King, M.D., F.A.C.O.G., board-certified ...
These effects have persisted as US deaths due to COVID-19 in 2021 exceeded those in 2020. [362] In the United States, COVID-19 vaccines became available under emergency use in December 2020, beginning the national vaccination programme. The first COVID-19 vaccine was officially approved by the Food and Drug Administration on 23 August 2021. [363]