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3 days ago · These include the alpha, beta, delta and omicron lineages. Omicron (B.1.1.529) began circulating in the fall of 2021. Since then, the omicron virus variant has mutated and given rise to new ...
7 hours ago · “The fact that these different variants are picking up the same mutations tells virologists that this combination of mutations is helping the virus accomplish these goals most efficiently.” Johns Hopkins reports that a recent JN.1 infection “should provide pretty strong protection against all the FLiRT variants.” Infection from a ...
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3 days ago · Antigenic characterization of newly emerging SARS-CoV-2 variants is important to assess their immune escape and judge the need for future vaccine updates. To bridge data obtained from animal sera ...
6 days ago · We know SARS-CoV-2, the virus which causes Covid, has a propensity for big, evolutionary leaps. In early 2022, the Omicron variant replaced Delta as the dominant strain. On an individual level, Omicron was less dangerous, but more transmissible. Omicron subvariants have circulated since then, thanks largely to advantageous spike protein mutations.
5 days ago · The Omicron variant of the coronavirus is suspected to be the most infectious yet by binding to human receptors better than the Delta variant and the team’s findings show it may have the potential to continue to evolve even stronger binding to increase transmission and infectivity, according to a pre-print of a new study completed by the team.
4 days ago · A related variant, KP.1.1, has caused about 7% of cases, CDC data shows. FLiRT variants are offshoots of the JN.1 variant — all part of the broader Omicron family — that caused this winter's wave.
4 days ago · Emerging variants remain potential drivers of breakthrough infections and may impact vaccine effectiveness against transmission. 15-17 Across the U.S. where the Delta variant is now dominant, COVID-19 cases are surging, most prominently in areas of lower vaccination rates. 18 The preponderance of hospitalizations and deaths from COVID-19 in the ...
