Airport-based study found first U.S. case of BA.2 subvariant of omicron in December - MarketWatch

U.S. cases are rising in 11 states and experts still predict another wave is coming
An airport-based COVID-19 surveillance program detected the first known U.S. case of the highly transmissible omicron BA.2 subvariant in December, according to a new study that was funded by the Cent… [+5763 chars] Read More