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Sep 1, 2023 · The variant of the SARS-CoV-2 virus that causes COVID-19 first surfaced in the United States toward the end of 2021 and spread like wildfire, spawning new sub-strains—some more transmissible than others. Now, multiple Omicron subvariants are driving most of the COVID-19 cases in the United States.
Aug 17, 2023 · 9 min read. What Is the Omicron Variant? 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...
Jan 6, 2023 · XBB.1.5 is a reminder that we have the tools to fight off COVID—but we need to use them effectively. This article was updated on January 9, 2023, to reflect updated CDC data. Four weeks ago, the XBB.1.5 variant caused less than 10% of COVID-19 cases in the U.S. Now it causes more than 25% of them.
Jul 7, 2022 · Published. July 07, 2022. By. Stephanie Desmon. COVID-19. Infectious Diseases. Vaccines. Omicron is mutating in giant leaps, with scientists racing to keep up. Its diversity is challenging vaccine efficacy and complicating treatment. But this fall, broad spectrum bivalent vaccines may help mitigate the seemingly never ending spread of COVID-19.
May 3, 2022 · Omicron Mutations: What to Know About the Latest Subvariants. BA.2, BA.2.12.1 and other circulating strains all fall under omicron’s umbrella. RLT Images. By. Rachel Nania, AARP. En español. Published May 03, 2022.
May 3, 2022 · By late April, another subvariant — BA.2.12.1 — was gaining steam, accounting for almost 29% of infections by late April, according to data from the Centers for Disease Control and Prevention....
