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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]
By late November 2019, coronavirus disease 2019 had broken out in Wuhan, China. [2]As reported in Clinical Infectious Diseases on November 30, 2020, 7,389 blood samples collected between December 13, 2019, and January 17, 2020, by the American Red Cross from normal donors in nine states (California, Connecticut, Iowa, Massachusetts, Michigan, Oregon, Rhode Island, Washington and Wisconsin ...
Initial estimates of the basic reproduction number (R 0) for COVID-19 in January 2020 were between 1.4 and 2.5, [58] but a subsequent analysis claimed that it may be about 5.7 (with a 95 per cent confidence interval of 3.8 to 8.9). [59] In December 2021, the number of cases continued to climb due to several factors, including new COVID-19 variants.
[235] [236] [237] Health officials have confirmed the fifth case of COVID-19 in Australia, and have suspected an additional five. [238] [239] The Sri Lankan Health Ministry confirms its first case of COVID-19, a 43-year-old Chinese woman. [240] Cambodia confirms its first case of the virus, a Chinese man who came with his family to ...
On 2 April 2020, the government ordered a Hubei-like lockdown in Jia County, Henan, after a woman tested positive for the COVID-19. It is suspected that she may have been infected when she visited a hospital where three doctors tested positive for the virus, despite showing no symptoms.
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 first reported case of reinfection was a 33-year-old man from Hong Kong who first tested positive on 26 March 2020, was discharged on 15 April 2020 after two negative tests, and tested positive again on 15 August 2020 (142 days later), which was confirmed by whole-genome sequencing showing that the viral genomes between the episodes belong ...
New Caledonia has reported that all 18 COVID-19 patients have recovered, meaning there are no active cases. [49] New Zealand has reported one new case, bringing the total to 1,489 (1,139 confirmed and 350 probable). Health authorities have also reported 16 new recoveries, bringing the total to 1,332. A record 7,323 tests were completed the day ...