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 ...

A potential third dose of Pfizer’s coronavirus vaccine appears to offer robust protection against the highly contagious delta variant, according to preliminary data released by the company on ...

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 ...