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Another covid wave hits U.S. as JN.1 becomes dominant variant

By Fenit Nirappil and Lena H. SunThe United States is in the throes of another covid-19 uptick, cementing a pattern of the virus surging around the holidays as doctors and public health officials brace for greater transmission after Americans return to school and work this week. Coronavirus samples detected in wastewater, the best metric for...

Recent findings suggest new omicron BA.2.75 is as susceptible to antibodies as the currently dominant variant
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Recent findings suggest new omicron BA.2.75 is as susceptible to antibodies as the currently dominant variant

by Karolinska Institutet Evasion of neutralizing antibodies by BA.2.75 (A) Neutralizing 50% inhibitory concentration (IC50) titres (ng/μl) for monoclonal antibodies against ancestral B.1 (D614G) and omicron sublineages BA.2, BA.5, and BA.2.75 in a pseudovirus neutralization assay. (B) Neutralization of BA.2.75 relative to BA.2, BA.5, and B.1 by serum (n=20) from blood donated Nov 8–14, 2021,...

Will Omicron BA.2 become the next dominant variant?
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Will Omicron BA.2 become the next dominant variant?

By Dr. Priyom Bose, Ph.D. Feb 27 2022 Reviewed by Benedette Cuffari, M.Sc. The rapid outbreak of the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) has resulted in the coronavirus disease 2019 (COVID-19) pandemic. Since its emergence in 2019, SARS-CoV-2 has evolved due to multiple genomic mutations. The newly emerged SARS-CoV-2 variants have been classified as...