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," ...

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 hopes to have a booster shot for its two-dose Covid vaccine available in the fall, CEO Stephane Bancel told CNBC on Wednesday. "I want to make sure there are boost vaccines available in the ...

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 ...

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 ...

(NEXSTAR) – News is developing so quickly when it comes to COVID-19 booster shots, it can be hard to keep track of what’s happening. Have they been approved? Am I eligible? When can I get one? The ...

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, ...

Booster vaccines reduced the risk of COVID‑19-related hospitalization and death, according to a new study of over 3 million ...

A third dose of Moderna’s COVID-19 vaccine substantially improved protection for organ transplant recipients whose weak immune systems don't always rev up enough with the standard two shots, Canadian ...

With the Delta variant in play, federal health officials are analyzing the latest numbers to look at the frequency and seriousness of COVID-19 breakthrough infections. Will we need booster shots? And ...