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 ...

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 ...

More than a year after its promised deadline to investors, drugmaker puts alarming results in federal government's "virtual ...

In new data released by the Food and Drug Administration on Wednesday, Pfizer said vaccine booster shots would restore protection against COVID-19 to up to 95% in real-world settings, CNBC and ABC ...

Millions of Americans are one step closer to getting a COVID-19 booster shot. The Food and Drug Administration (FDA) amended its emergency use authorization for a Pfizer booster shot Wednesday. It ...

A recent study has provided the first side-by-side comparison of how three major COVID-19 vaccine types differ in triggering ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. WASHINGTON (Nexstar) — A U.S. Food and Drug ...

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 ...

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 ...

Pfizer and Moderna asked the FDA last week to authorize another booster dose. As soon as Tuesday, the U.S. Food and Drug Administration could authorize COVID-19 booster shots for Americans over 50 ...