Walgreens COVID-19 Index reveals BA.2 variant is 6.2% of positive cases
DEERFIELD, Ill. — Despite declines in COVID-19 cases across the U.S., PCR test data from the Walgreens COVID-19 Index indicates that as of Feb. 21,6.2% of all current Omicron cases are presumed to be the BA.2 variant. This reinforces that measures such as vaccinations, boosters, testing and masks are still important to help curb the spread
