Find out how different vaccines for the coronavirus cause your body to create antibodies that fight the virus.

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 ...

FRANKFURT (Reuters) - Moderna and Pfizer-BioNTech are in a tight race to launch their COVID-19 vaccines in Europe after both applied for emergency EU approval on Tuesday, though there was uncertainty ...

Questions about the COVID-19 shot abound as federal recommendations shift and medical groups issue clashing guidance.

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.

Moderna (MRNA) faces a lawsuit in the U.S. for allegedly infringing patent rights related to the COVID-19 shot developed by ...

Moderna has filed with the Food and Drug Administration for emergency use authorization for its COVID-19 vaccine for people ages 12 to 17, according to a news release from the company. Moderna's COVID ...

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 ...