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 Inc. and BioNTech SE have announced that initial lab studies show a third dose of their Covid-19 vaccine neutralizes the Omicron variant. These results come as great news amid fears of a new ...

FILE – Ryan Dutton, an EMT from Rescue Inc., prepares shots of the Pfizer COVID-19 booster vaccine during a vaccine clinic held by Rescue Inc. at Leland & Gray Middle and High School, in Townshend, Vt ...

A booster dose of the Pfizer-BioNTech COVID-19 vaccine appears to provide strong protection against the omicron variant, the companies announced Wednesday. They said lab study results show a third ...

Pfizer and BioNTech have asked the Food and Drug Administration for emergency use authorization of their COVID-19 booster targeting omicron subvariants BA.4 and BA.5 and the original strain of the ...

Pfizer said Wednesday that a booster of its COVID-19 vaccine may offer important protection against the new omicron variant even though the initial two doses appear significantly less effective.

Pfizer and BioNTech have submitted a request to the FDA for Emergency Use Authorization of an omicron-adapted COVID-19 booster dose for individuals 12 years of age and older. Pending authorization, ...

Pfizer’s booster provides a much stronger immune response against the omicron variant than its two-shot series, according to the results of two recent studies. The University of Oxford released ...

Pfizer asked U.S. regulators Monday to expand use of its updated COVID-19 booster shot to children ages 5 to 11. Elementary school-aged children already received kid-sized doses of Pfizer’s original ...

A Pfizer-BioNTech Covid-19 booster shot appears to provide strong protection against the omicron variant, while the initial two-dose vaccine may be insufficient to prevent infection, the companies ...