The 2025-26 Pfizer COVID-19 vaccine is about 57% effective against emergency department/urgent care (ED/UC) visits and 54% ...

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 ...

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.

Pfizer is steering much of its pandemic revenue into oncology, as Chief Executive Albert ...