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% — ...

NEW YORK (WABC) -- Pfizer is asking the FDA to amend its COVID-19 vaccine booster authorization to include all adults 18 and older. In September, the FDA and CDC authorized Pfizer booster shots after ...

A Pfizer-BioNTech COVID-19 vaccine vial. The Baker-Polito administration announced in a state press release Friday that Massachusetts residents 65 years of age or older and those with vulnerabilities ...

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 ...

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 ...

During an appearance on CBS News Sunday, Pfizer CEO Albert Bourla said that Americans would need a fourth dose of a COVID-19 vaccine to fend off future variants of the virus. Speaking with anchor ...

RUNNEMEDE, New Jersey (WPVI) -- This week, Pfizer asked the FDA for authorization of a second COVID-19 booster shot for senior citizens to fight waning immunity. On Thursday, Moderna asked for that ...

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 ...

PHILADELPHIA -- To help fend off another wave of Covid-19, people will need a fourth dose of vaccine, Pfizer CEO Albert Bourla said Sunday. "Many variants are coming, and Omicron was the first one ...

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 CEO Albert Bourla appeared on ABC's "This Week." Pfizer CEO Albert Bourla said on ABC's "This Week" Sunday it's possible to provide both COVID-19 booster shots as well as doses for people who ...