Pfizer and BioNTech said Wednesday that initial lab tests show that the omicron variant partly escapes protection offered by the companies' two-dose regimen of their COVID-19 vaccine. However, those ...

Pfizer on Monday announced it submitted data to the Food and Drug Administration regarding the results of Phase 1 trials for a potential COVID-19 vaccine booster shot. In a press release, Pfizer said ...

CNN — As the Covid-19 vaccine rollout continues in the United States, with people ages 12 and older receiving their shots, vaccine makers are now preparing for a next possible phase: booster doses.

WASHINGTON — Pfizer and Moderna say the Food and Drug Administration have opened up COVID-19 booster shots to all adults, letting them choose another dose of either vaccine. The move expands the ...

The Food and Drug Administration has issued approval for a booster shot of Pfizer's COVID-19 vaccine for children as young as 12. The Pfizer vaccine is the first booster shot to receive emergency ...

NEW YORK -- In the next month, millions of Americans will get ready to roll up their sleeves for a third dose of the COVID-19 vaccine. But when it comes to booster shots, it's not as simple as "more ...