A third dose of the Pfizer/BioNTech COVID-19 vaccine can "strongly" boost protection against the delta variant -- beyond the protection afforded by the standard two doses, suggests new data released ...

Video above: FDA votes to authorize more COVID-19 boosters, mix-and-matching doses in some casesA booster dose of the Pfizer/BioNTech coronavirus vaccine was found to have a high efficacy — 95.6% — ...

WASHINGTON -- The Biden administration purchased an additional 200 million doses of Pfizer-BioNTech's COVID-19 vaccine to prepare for potential additional vaccine needs in the US, an administration ...

On Tuesday, the Centers for Disease Control and Prevention updated recommendations for booster shots, saying that people who got the Pfizer vaccine should now seek out a booster shot five months after ...

The U.S. Food and Drug Administration has authorized booster shots of the Moderna and Pfizer COVID-19 vaccines for all adults ages 18 and older. On Friday, the FDA announced it had amended the ...

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 ...