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News about COVID-19, FLiRT, symptoms
Aug 17, 2023 · In November 2021, the World Health Organization (WHO) first identified the Omicron mutation of the COVID-19 virus as a variant of concern. It quickly became the most common strain...
Sep 1, 2023 · Except in rare cases, the original version of Omicron is no longer circulating—neither is the original strain of the SARS-CoV-2 virus and the early, more severe Alpha and Delta variants. But, as of early September 2023, CDC estimates showed a long list of circulating Omicron subvariants, including more than a dozen XBB strains.
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Dec 6, 2021 · Omicron: There is much to learn. Because of its recent emergence, scientists are just starting to learn about omicron, but intense research is quickly uncovering more insight on this variant and how its genetic changes might affect its spread and people who are infected with it.
Dec 21, 2021 · BA.2 appears to be more transmissible than the original version of Omicron, BA.1. But the subvariant doesn’t appear to lead to different symptoms from BA.1, said Dr. Jennifer Lighter, an ...
Dec 14, 2021 · Credit: Adapted from Pfizer, Dec. 8, 2021 There’s been great concern about the new Omicron variant of SARS-CoV-2, the coronavirus that causes COVID-19. A major reason is Omicron has accumulated over 50 mutations, including about 30 in the spike protein, the part of the coronavirus that mRNA vaccines teach our immune systems to attack.
Jul 7, 2022 · The subvariant of Omicron known as BA.5 is now dominant, according to federal estimates released Tuesday, and together with BA.4, another subvariant, it is fueling an outbreak of cases and...
Dec 23, 2021 · Omicron is spreading fast. The highly transmissible variant is causing near-vertical case growth in multiple U.S. cities, with figures doubling about every two to three days. Officials expect...
