Health Officials Warily Eye Rising New BA.2 Omicron Strain
[embedded content] Health officials are keeping a sharp eye on the COVID-19 omicron subvariant BA.2, which appears to be more contagious than the current BA.1 strain — but its health impacts are still unclear. A new World Health Organization study reported that even as COVID-19 cases are falling, BA.2 accounted for 21.5% of all new […]