CDC data suggest that the BA.2 may currently account for nearly a quarter of all new Covid-19 cases in the U.S., up from about a tenth the week prior.
Will BA.2 Omicron ‘Stealth Variant’ Cause Another Covid-19 Coronavirus Surge?
CDC data suggest that the BA.2 may currently account for nearly a quarter of all new Covid-19 cases in the U.S., up from about a tenth the week prior.