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 -- 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 ...

Labor Department Officials Frustrated With White House Over COVID-19 Vaccine and Testing Mandate The FDA Authorized a Booster ...

Both the CEOs of Moderna and Pfizer said a booster dose of their respective COVID-19 vaccines could be required as soon as September for those who were among the earliest vaccinated. During an Axios ...

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 ...

CAMBRIDGE, Mass. - Moderna’s COVID-19 vaccine remained 93% effective against symptomatic illness six months after the second dose, but amid the ongoing spread of the highly contagious delta variant, ...

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 ...

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, ...