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Variants of the Virus. New variants of SARS-CoV-2, the virus that causes COVID-19, will continue to occur. CDC coordinates collaborative partnerships which continue to fuel the largest viral genomic sequencing effort to date. The Omicron variant, which emerged in November 2021, has many lineages.
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Sep 1, 2023 · Below is a list of—and information about—some of the variants that have been top-of-mind. Omicron and its subvariants While the original Omicron strain (BA.1) is no longer circulating, Omicron subvariants are now driving most of the country’s SARS-CoV-2 infections.
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Lineages and clades. Classification of variants. Reference sequence. Notability criteria. Variants of concern (WHO) Toggle Variants of concern (WHO) subsection. Omicron. BA. sublineages. Further sublineages emerging in 2022. Further sublineages emerging in 2023: EG.5 "Eris", BA.2.86, and JN.1 "Pirola"
May 3, 2024 · Currently circulating COVID-19 Variants of Interest (VOIs) as of 3 May 2024. Recombinant of BA.2.10.1 and BA.2.75 sublineages, i.e. BJ.1 and BM.1.1.1, with a breakpoint in S1.
May 14, 2024 · Currently circulating variants of concern (VOCs) as of 15 March 2023. 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.
Current Variants in the United States. Estimated prevalence as of May 21, 2022. Omicron BA.2.12.1. 57.9% Omicron BA.2. 39.1% Others. Source: Centers for Disease Control and Prevention. · BA.4 and...