Just when it seemed that four years since the pandemic had been long enough to be rid of the COVID-19 virus, a new variant called ‘FLiRT’ has shown up just in time for summer. Now, some are ...
N95 respirator masks provided by the U.S. Department of Health and Human Services sits at a grocery store in Jackson, Miss., on Feb. 2, 2022. (Rogelio V. Solis/AP) You’re reading The Checkup With Dr.