More than a year after its promised deadline to investors, drugmaker puts alarming results in federal government's "virtual ...

A new mRNA vaccine against the flu has proven itself more effective than existing vaccines in a new clinical trial. The ...

Vaccine maker Pfizer said Friday that trials of its vaccine in children ages 2 to 5 show that it did not provide the expected immunity in kids this age, and it is adding a third dose to the regimen.

An mRNA influenza vaccine bests an inactivated quadrivalent flu vaccine against two different strains in phase 3 study.

Myocarditis is a known — but small — side effect of the mRNA Covid vaccines from Pfizer and Moderna, information that federal ...

The ongoing Phase 3 clinical trial of Pfizer/BioNTech's coronavirus vaccine confirms its protection lasts at least six months after the second dose, the companies said Thursday. The companies can now ...

The following is the transcript of the interview with former FDA commissioner Scott Gottlieb, who now serves on the boards of ...

The Food and Drug Administration provided no evidence for its claim that the vaccines have killed at least 10 children.

Former FDA Commissioner Dr. Scott Gottlieb spoke with Margaret Brennan on Face the Nation Sunday about the new vaccine ...

Vaccine experts said the memo was irresponsible and omits key details about how officials arrived at the conclusion.

In the wake of the memo, several vaccine experts responded that the CBER director's claim about the deaths requires more ...