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 ...

But while the rankings held steady, the operating environment has changed quickly to reinforce the value of being in good standing with physicians.

ABRYSVO, a bivalent vaccine, maintained consistently high protective efficacy for both RSV A and RSV B disease through two seasons after a single dose. ABRYSVO efficacy was 77.8% against RSV lower ...

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.

(CNN) — In response to a call from President Donald Trump to make the positive impact of Covid-19 vaccines public, drug giant Pfizer posted a collection of more than 200 press releases and statements ...