Posted in Article Highly immune evasive omicron XBB.1.5 variant is quickly becoming dominant in U.S. as it doubles weekly 2022-12-31 Leave a Comment on Highly immune evasive omicron XBB.1.5 variant is quickly becoming dominant in U.S. as it doubles weekly XBB.1.5 now represents about 41% of new cases nationwide in the U.S., according to CDC data. Source: Highly immune evasive omicron XBB.1.5 variant is quickly becoming dominant in U.S. as it doubles weekly
