Pfizer is about to seek U.S. authorization for a third dose of its COVID-19 vaccine, saying Thursday that another shot within 12 months could dramatically boost immunity and maybe help ward off the latest worrisome coronavirus mutant.
Virginia health leaders weigh in on possible third dose of the COVID shot
WTVR - Scripps
Virginia health officials said new data released by Pfizer showing that a third dose of the vaccine could strongly boost protection..
