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 ...

WASHINGTON -- Moderna submitted its application to the U.S. Food and Drug Administration for emergency use authorization of its updated COVID-19 vaccine booster for use in people age 18 and older, the ...

Moderna announced on Wednesday it has completed its submission to the US Food and Drug Administration for full approval of its COVID-19 vaccine for people age 18 and older, and Pfizer and BioNTech ...

A recent study has provided the first side-by-side comparison of how three major COVID-19 vaccine types differ in triggering ...

Dr. Anthony Fauci on Tuesday said that there's a chance that Moderna's COVID-19 booster shot may not have FDA and CDC approval by the White House's Sept. 20 target date, though he expects that ...

PHILADELPHIA (WPVI) -- Moderna's experimental COVID-19 vaccine that combines its original shot with protection against the omicron variant appears to work, the company announced Wednesday. The company ...

Moderna announced Wednesday it is studying three different ways to combat a variant of the COVID-19 virus that was originally found in South Africa. The South African variant has been of particular ...

WASHINGTON — Pfizer and Moderna say the Food and Drug Administration have opened up COVID-19 booster shots to all adults, letting them choose another dose of either vaccine. The move expands the ...

WASHINGTON, D.C. — U.S. health officials announced Wednesday that booster shots will soon be available to Americans who have received the COVID-19 vaccines made by Pfizer and Moderna. Officials with ...