SAN FRANCISCO -- Another COVID-19 vaccine -- AstraZeneca -- is poised to arrive in the U.S., bringing a fourth option for Americans. Each vaccine is administered slightly differently, some can result ...

LOS ANGELES -- The COVID-19 vaccines made by Pfizer and Moderna both require two doses to be administered, several weeks apart, for them to be fully effective. But there has been some scientific ...

Video above: FDA votes to authorize more COVID-19 boosters, mix-and-matching doses in some casesA booster dose of the Pfizer/BioNTech coronavirus vaccine was found to have a high efficacy — 95.6% — ...

Oct 6 (Reuters) - The chief adviser for the U.S. government's Operation Warp Speed COVID-19 vaccine program, Moncef Slaoui, on Tuesday said efficacy data readouts are expected from Pfizer Inc (PFE.N), ...

SAN FRANCISCO -- Herculean efforts by scientists and physicians around the world have resulted more than 50 experimental COVID-19 vaccines currently in global clinical trials. The focus in the U.S.

On December 18, a San Diego emergency room nurse was given a shot of the COVID-19 vaccine. A week later, he tested positive for the virus, CNN affiliate KGTV reported. Stories like this will become ...

Moderna said Wednesday that its experimental mRNA-based seasonal flu vaccine generated a stronger immune response against four strains of the flu virus than a currently marketed vaccine in a Phase 3 ...

LOS ANGELES - Minor pains, including muscle aches and headaches, are usual side effects reported by those who get the COVID-19 vaccine, and many people may think it beneficial to pre-medicate with a ...

HHS spokesperson Emily Hilliard told MedPage Today that the FDA is reviewing the petition and will respond directly to the ...