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," ...

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 ...

Americans could soon see a major increase in access to COVID-19 vaccine booster shots. On Friday, the U.S. Food and Drug Administration (FDA) announced its Vaccines and Related Biological Products ...

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, ...

There’s been quite a bit of news about COVID-19 booster shots lately, and it’s been more confusing than reassuring. Public health officials don’t agree on whether everyone needs a booster yet, and in ...

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 ...