The XBB 5.1 is the most dominant SARS-CoV-2 Omicron subvariant in the US. According to the latest CDC COVID Data Tracker as of Dec 31, 2022, it causes 41% of COVID-19.[1] Origin of the XBB A study from Japan traced the origin of the XBB subvariant. It emerged after two co-circulating BA.2 lineages, BJ.1 and…
The Dominant Omicron XBB1.5 Evades Antibodies and has Stronger ACE2 Binding
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