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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 March 5, more than 2,750 cases of COVID-19 variants were detected in 47 states; Washington, D.C.; and Puerto Rico. This number consisted of 2,672 cases of the B.1.1.7 variant, 68 cases of the B.1.351 variant, and 13 cases of the P.1 variant. [35]
View history; General ... Get shortened URL; Download QR code; Print/export Download as PDF; Printable version; ... Timeline of the SARS-CoV-2 Omicron variant
The Omicron variant features as such for the first time in the overview of WHO's weekly operational update, namely "Supporting Omicron variant detection and COVID-19 response in southern Africa." As of 2 December, Botswana and South Africa have reported 19 and 172 Omicron variant cases, respectively, accounting for 62% of global cases.
The spread of the JN.1 Omicron variant has led to a surge of COVID-19 cases in New Zealand, resulting in 400 hospitalisations per week and 25 deaths. [340] The JN.1 variant accounted for 14% of sequenced cases reported in New Zealand during the week leading up to 15 December.
However, doctors say the updated COVID-19 vaccine is expected to help provide protection from this variant. The updated vaccine is based on the XBB.1.5, and HV.1 is a “grandchild” of the XBB.1 ...
KP.3.1.1 is still the dominant COVID-19 variant in the United States as it accounts for nearly 60% of positive cases, but the new XEC variant is not far behind, recent Centers for Disease Control ...
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.
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