SAN FRANCISCO -- Moderna announced people may need a second booster to increase protection. But is a fourth shot the right approach? ABC7 News reporter Luz Pena from San Francisco spoke to multiple ...

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 many ...

Sept 23 (Reuters) - Moderna (MRNA.O), opens new tab said on Tuesday its updated COVID-19 vaccine formulation elicited a strong immune response in all adults aged 65 and older, as well as in ...

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 ...

NEW JERSEY (WABC) -- The second dose of the Moderna vaccine is expected to be administered to some people in New Jersey Saturday. With the state's positivity rate being just over 10%, second doses ...

CAMBRIDGE, Mass. — Moderna said on Tuesday its updated COVID-19 vaccine formulation elicited a strong immune response in all adults aged 65 and older, as well as in individuals aged 12-64 with at ...