Omicron sub-variant XBB.1.5 accounts for 43% of US 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 January 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.