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

NEW YORK, N.Y. – Pfizer Inc. on Monday released detailed analyses of myocarditis cases linked to its COVID-19 vaccine, ...

Shares of several major vaccine makers lost ground Monday following a report U.S. vaccine approval rules could become ...

Shares of COVID-19 vaccine makers Pfizer Inc (NYSE:PFE), BioNTech SE ADR (NASDAQ:BNTX) and Moderna Inc (NASDAQ:MRNA) are trading lower Friday following a Washington Post report that Trump ...

WASHINGTON -- Pfizer announced Friday that it submitted a request to the U.S. Food and Drug Administration to allow emergency use of its COVID-19 vaccine to children as young as 12. This is the ...

In a large-scale trial, modRNA was significantly better at preventing confirmed flu cases than a typical seasonal flu shot.

SAN FRANCISCO -- As more people are eligible to get vaccinated, reports of side effects after the second Pfizer and Moderna shots are surfacing. Dr. Robert Wachter, chief of medicine at UCSF says ...

The U.S. will pay drug company Pfizer $1.95 billion to produce and deliver 100 million doses of the company's COVID-19 vaccine candidate should the drug prove effective in human trials the company ...