Jul 29, 2022 · The Omicron variant, like other SARS-CoV-2 variants, is comprised of a number of lineages and sublineages . The three most common lineages of Omicron currently are BA.2, BA.4, and BA.5. The Omicron variant spreads more easily than earlier variants of the virus that cause COVID-19, including the Delta variant..
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Omicron subvariants BA.4 and BA.5 appear to escape antibody responses among both people who had previous Covid-19 infection and those who have been fully vaccinated and boosted, according to new.
Aug 15, 2022 · The COVID omicron subvariant known as BA.5 was first detected in South Africa in February 2022 and spread rapidly throughout the world. As of the second week of July 2022, the BA.5 subvariant constituted nearly 80% of COVID-19 variants in the United States. Soon after researchers in South Africa.
Date January 26, 2022. As the Omicron variant begins what is expected to be a steep decline in the U.S., reports are emerging about a subvariant, Omicron BA.2, that has emerged in other countries as Omicron cases have fallen. Harvard experts discussed BA.2 this week as they reviewed the pandemic’s ever-shifting landscape.
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