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Mar 27, 2024 · COVID-19, also called coronavirus disease 2019, is an illness caused by a virus. The virus is called severe acute respiratory syndrome coronavirus 2, or more commonly, SARS-CoV-2. It started spreading at the end of 2019 and became a pandemic disease in 2020. Coronavirus Enlarge image.
23 December 2020. Numbers at a glance. View dashboard →. 775 364 261. Confirmed cases. Last update: 20 April 2024, 05:00 pm GMT-7. 7 046 320. Confirmed deaths. Last update: 20 April 2024, 05:00 pm GMT-7. 13 593 580 510. Vaccine doses administered. Last update: 25 November 2023. WHO response in countries. More →. Videos. Training.
Dec 12, 2021 · Severe acute respiratory syndrome coronavirus 2 ( SARS-CoV-2 ), also known as “the novel coronavirus” due to genome variation relative to previously identified coronaviruses, is a positive sense RNA virus and the etiological agent of COVID-19.
Nov 20, 2023 · What are variants of SARS-COV-2, the virus that causes COVID-19? It is usual for viruses to change and evolve as they spread between people over time. When these changes become significantly different to a previously detected virus, these new virus types are known as “variants.”
Mar 27, 2024 · Note: To better reflect the current variant landscape, which is dominated by Omicron descendent lineages, WHO updated its tracking system and working definitions of VOCs and VOIs on 15 March 2023. 4 October 2023. Updated working definitions and primary actions for SARS-CoV-2 variants.
May 16, 2022 · Introduction. As of November 21st, 2021, over 257 million cases of coronavirus disease 2019 (COVID-19) have been reported, and more than 5 million lives claimed globally [ 1 ]. The disease is...
4 days ago · SARS-CoV-2 is a positive-sense single-stranded RNA virus. It is contagious in humans and is the cause of the coronavirus disease 2019 (COVID-19). Latest Research and Reviews. Dynamic...
