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This data is for entire populations, and does not reflect the differences in rates relative to different age groups. For example, in the United States as of 27 April 2021, the reported case fatality ratios were 0.015%, 0.15%, 2.3%, and 17% for the age groups 0–17, 18–49, 50–74, and 75 or over, respectively.
Preclinical. In May 2020, Vietnam declared that their COVID-19 vaccine was developed after scientists successfully generated the novel coronavirus antigen in the lab. The vaccine has been developed by collaborating scientists at VABIOTECH in Hanoi and the Bristol University, it will be tested further in animals and evaluated for safety and ...
This article documents the chronology and epidemiology of SARS-CoV-2 in 2019, the virus that causes coronavirus disease 2019 ( COVID-19) 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. It marked the beginning of the 2019–2020 COVID-19 ...
COVID-19 portal. v. t. e. On 22 February 2021, Zimbabwe launched their national COVID-19 vaccination program using the Sinopharm BIBP vaccine. [3] [4] As of 17 June 2022, 6,260,228 people have received their first dose, 4,598,703 have received their second dose, and 851,874 have received a third dose. [5]