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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. A vial of the Pfizer/BioNTech Comirnaty vaccine against Covid-19 at a mass vaccination center on July 1, 2021 in Leipzig, Germany.

NEW YORK - Pfizer on Wednesday shared data about a third dose of its COVID-19 vaccine that suggests it "strongly" boosts protection against the more contagious delta variant of the coronavirus, which ...