On Tuesday, the Centers for Disease Control and Prevention updated recommendations for booster shots, saying that people who got the Pfizer vaccine should now seek out a booster shot five months after ...

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 ...

Booster vaccines reduced the risk of COVID‑19–related hospitalization and death, according to a new study of over 3 million ...

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 ...

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 ...

The U.S. Food and Drug Administration has authorized booster shots of the Moderna and Pfizer COVID-19 vaccines for all adults ages 18 and older. On Friday, the FDA announced it had amended the ...