The New COVID-19 Subvariant XBB Is Rapidly Spreading and Belongs to a “New Class” of Omicron
COVID-19 Subvariant XBB Is Rapidly Spreading COVID-19 Subvariant XBB: Over the course of the past few months, Omicron subvariants BA.4 and BA.5 have been the most common types of COVID-19 in the United States. Recently, however, a new group of COVID subvariants has emerged, with one, in particular, drawing considerable interest. Its potential for dominance … Read more