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  2. Variants of SARS-CoV-2 - Wikipedia

    en.wikipedia.org/wiki/Variants_of_SARS-CoV-2

    The term variant of concern (VOC) for SARS-CoV-2, which causes COVID-19, is a category used for variants of the virus where mutations in their spike protein receptor binding domain (RBD) substantially increase binding affinity (e.g., N501Y) in RBD-hACE2 complex (genetic data), while also being linked to rapid spread in human populations ...

  3. A Comprehensive List of All of the COVID-19 Variants ... - AOL

    www.aol.com/comprehensive-list-covid-19-variants...

    COVID-19 variant Delta was less contagious than Omicron and is not currently circulating, explains Dr. Kasson. Though Delta caused about twice as many infections as its predecessors, according to ...

  4. The major COVID variants we've seen so far and which one to ...

    www.aol.com/news/major-covid-variants-weve-seen...

    The COVID-19 pandemic was the third leading cause of death globally in 2020 and the second in 2021, according to a recent World Health Organization report.The almost 13 million lives lost during ...

  5. Timeline of the COVID-19 pandemic - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_the_COVID-19...

    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]

  6. SARS-CoV-2 Alpha variant - Wikipedia

    en.wikipedia.org/wiki/SARS-CoV-2_Alpha_variant

    In week 8, the variant was found to have a dominant share of 56.4% (758/1345) according to the interpretable results of a weekly genome sequencing survey comprising 0.9% of all COVID-19 positive tests, or 59.5% according to a variant-specific RT-PCR survey testing 54% of all the COVID-19 positive tests. [124]

  7. History of coronavirus - Wikipedia

    en.wikipedia.org/wiki/History_of_coronavirus

    The history of coronaviruses is an account of the discovery of the diseases caused by coronaviruses and the diseases they cause. It starts with the first report of a new type of upper-respiratory tract disease among chickens in North Dakota, U.S., in 1931.

  8. A new COVID-19 variant is circulating. Here's what to know ...

    www.aol.com/covid-19-variant-circulating-heres...

    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 ...

  9. A Comprehensive List of All of the COVID-19 Variants ... - AOL

    www.aol.com/lifestyle/comprehensive-list-covid...

    New COVID-19 variants continue to pop up. Experts explain how many COVID variants there are, important subvariants, and the evolution of SARS-CoV-2 virus. A Comprehensive List of All of the COVID ...

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