Omicron BA.2

The proportion of people getting infected with the new BQ.1 and BQ.1.1 variants of COVID-19 is rising, according to the latest data from the U.S. Centers for Disease Control and ...

Three U.S. universities have announced that they will temporarily reinstate a mask mandate on their campuses, citing increasing ...

Americans have high enough immunity to ward off the threat posed by the BA.2 Omicron COVID-19 variant to ...