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 ...

Pfizer on Monday announced it submitted data to the Food and Drug Administration regarding the results of Phase 1 trials for a potential COVID-19 vaccine booster shot. In a press release, Pfizer said ...

Pfizer and BioNTech released more human data Friday indicating the omicron BA.5 boosters perform better than the old Covid shots. Stream NBC 5 for free, 24/7, wherever you are. People older than 55 ...

Pfizer and BioNTech said Wednesday that initial lab tests show that the omicron variant partly escapes protection offered by the companies' two-dose regimen of their COVID-19 vaccine. However, those ...

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.