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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]
View history; General ... Get shortened URL; Download QR code; Print/export Download as PDF; Printable version; ... Timeline of the SARS-CoV-2 Omicron variant
A study of samples collected in Manaus between November 2020 and January 2021, indicated that the Gamma variant is 1.4–2.2 times more transmissible and was shown to be capable of evading 25–61% of inherited immunity from previous coronavirus diseases, leading to the possibility of reinfection after recovery from an earlier COVID-19 ...
The CDC reported that 66% of COVID-19 cases between April 11 and 24, 2021, were caused by the alpha variant. Pfizer-BioNTech, Johnson and Johnson, and Moderna said their vaccines prevented severe ...
WHO reports that given community transmission the number of cases doubles every 1.5 to three days. The variant is now in 89 counties, and its severity profile remains unknown. [126] Seven to ten percent of new confirmed coronavirus cases in France are suspected to be of the Omicron variant and the travel ban on the UK comes into force. [127]
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 ...
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]
Feb. 11: WHO announced the official name for the disease as “COVID-19,” an abbreviated version of “Coronavirus Disease 2019.” Feb. 13: CDC confirmed the 15th case of COVID-19 in the U.S.