Pfizer to seek OK for 3rd vaccine dose; shots still protect
(AP) - Pfizer says it is about to seek U.S. authorization for a third dose of its COVID-19 vaccine. The company said Thursday that another shot could dramatically boost immunity an…
(AP) - Pfizer says it is about to seek U.S. authorization for a third dose of its COVID-19 vaccine. The company said Thursday that another shot could dramatically boost immunity an…