A new study shows the Pfizer-BioNTech vaccine remains 90% effective at preventing COVID-19 hospitalizations for up to six months after being fully vaccinated, even with the more transmissible delta ...

A single shot of the Pfizer or Oxford vaccine offers dramatic protection against hospital admission and severe disease in older people, according to a new study from Public Health England (PHE).

Pfizer says kid-size doses of its COVID-19 vaccine are safe and nearly 91% effective at preventing infections in elementary school children. Details of the study were posted online Friday. FDA ...

A guide to coronavirus vaccination rollout and what you need to know about the authorized vaccines. Some 63.8% of Americans have received both doses of the two-shot Pfizer-BioNTech and Moderna drugs ...

Pfizer/BioNTech has initiated its application to the US Food and Drug Administration for full FDA approval of its Covid-19 vaccine for people ages 16 and older, the companies said Friday. This is the ...

WASHINGTON (AP) — Pfizer Inc. said Friday that its experimental antiviral pill for COVID-19 cut rates of hospitalization and death by nearly 90% as the drug-maker joins the race to bring the first ...

A new preprint study suggests that Moderna’s COVID-19 vaccine may be significantly more effective against symptomatic disease from the delta variant compared to Pfizer-BioNTech’s vaccine, while the ...