News ReportWhat is Covid variant XBB that accounts for more than 40% of US cases?Aleesha SamJanuary 1, 2023January 1, 2023 by Aleesha SamJanuary 1, 2023January 1, 2023 More than 40% of Covid-19 cases in the United States are now caused by Omicron XBB.1.5, the unreleased data from the US Centers for Disease...
