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1. www.who.int › activities › tracking-SARS-CoV-2-variantsTracking SARS-CoV-2 variants - World Health Organization (WHO)

   www.who.int › activities › tracking-SARS-CoV-2-variants

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   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.

2. www.nature.com › articles › s41431/022/01108-8A comprehensive SARS-CoV-2 and COVID-19 review, Part 1 ... -...

   www.nature.com › articles › s41431/022/01108-8

   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...

3. www.nature.com › subjects › sars-cov-2SARS-CoV-2 - Latest research and news | Nature

   www.nature.com › subjects › sars-cov-2

   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...