LOS ANGELES - Moderna announced on Thursday that it is currently developing a vaccine that combines a COVID-19 booster as well as a seasonal flu shot. "Today we are announcing the first step in our ...

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 ...

Moderna says it is in the process of developing a single-shot vaccine that could serve as a COVID-19 booster shot and a flu shot. In a press release Thursday touting its fifth annual "R&D Day," ...

As more Americans receive their COVID-19 vaccination daily, many are wondering how long they'll be effective for and whether some people will require booster shots at some point. Dr. Elizabeth Hudson, ...

Moderna said Tuesday it had asked the Food and Drug Administration to authorize an updated version of its COVID-19 booster shot that targets the highly contagious BA.5 omicron subvariant. The ...