CDC Says Omicron Subvariant XBB.1.5 Accounts for 61.3% of US COVID Cases
The Omicron subvariant XBB.1.5 has likely become the dominant variant in the United States, accounting for 61.3% of COVID cases in the week ended January 28, data from the U.S. Centers for Disease Control and Prevention showed on Friday. The subvariant accounted for 49.5% of…