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 ...

NEW YORK, N.Y. — Pfizer announced Wednesday that data shows a third dose of its COVID-19 vaccine can “strongly” boost protection against the highly transmissible delta variant. The pharmaceutical and ...

LOS ANGELES (KABC) -- While overall COVID-19 rates remain relatively low in Southern California amid continuing vaccination efforts, officials are increasingly worried about a growing threat from the ...

The race is on for new treatments that stand up to omicron's explosive spread. With omicron's explosive spread threatening to outpace current COVID-19 treatments, the race is on to find new options ...

Newly released data from Pfizer/BioNTech’s ongoing study of their COVID-19 vaccine suggests it is effective at preventing serious symptoms and death at least six months after vaccination. The ...

New research suggests that Pfizer’s COVID-19 vaccine can protect against a mutation found in two highly contagious variants of the coronavirus that erupted in Britain and South Africa. Those variants ...

AUSTIN (KXAN) — We’re learning more about exactly how the Pfizer COVID-19 vaccine works from research scientists at the University of Texas at Austin who helped develop it. “The way the Pfizer vaccine ...

Pfizer CEO Albert Bourla said people will "likely" need a booster dose of a COVID-19 vaccine within 12 months of getting fully vaccinated. His comments were made public Thursday but were taped April 1 ...