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 ...

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 - President Joe Biden's plans to start delivery of booster shots by Sept. 20 for most Americans who received the COVID-19 vaccines are facing new complications that could delay the ...

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 ...