U.S. COVID-19 Instances Rise Once more with BA.2
April 12, 2022COVID-19 case numbers are trending up in the U.S. once more, with nearly all new infections driven by the growth of the Omicron subvariant BA.2.At the same time, the U.S. hasn’t yet seen a dramatic rise in cases, and COVID-19 hospitalizations and deaths are still at low levels. Public health officials are watching…