Pfizer Says COVID Booster Offers Protection Against Omicron
(AP) -- Pfizer says a booster dose of its COVID-19 vaccine appears to offer important protection against the new omicron variant. Pfizer and its partner BioNTech tested how well va…
(AP) -- Pfizer says a booster dose of its COVID-19 vaccine appears to offer important protection against the new omicron variant. Pfizer and its partner BioNTech tested how well va…