Omicron sub-variant XBB.1.5 accounts for 43% of U.S. COVID cases – CDC

The fast-spreading Omicron subvariant XBB.1.5 is estimated to account for 43% of the COVID-19 cases in the United States for the week ended Jan. 14, data from the Centers for Disease Control and Prevention showed on Friday.

The sub-variant accounted for about 30% of cases in the first week of January, higher than the 27.6% the CDC estimated last week.