The Bivalent Booster Protects Against New COVID-19 Variants, New Data Show
The Omicron variant has morphed into more than half a dozen different strains—the latest of which include BQ.1.1 and XBB.1, and XBB.1.5. Combined, these variants and their close relatives now account for nearly 90% of new COVID-19 infections in the U.S. But so far, no COVID-19 vaccine directly targets them. Instead, the latest bivalent formulation … Read more