Add Yahoo as a preferred source to see more of our stories on Google. Looking to get a COVID-19 vaccine booster for yourself or your child this fall? It may be a bit more complicated than just making ...

LOS ANGELES - The U.S. Food and Drug Administration has authorized an additional COVID-19 booster vaccine for people who have compromised immune systems as the highly contagious delta variant ...

Johnson & Johnson said Wednesday that new data from early trials of a booster shot of its COVID-19 vaccine provides a "rapid and robust increase in spike-binding antibodies" that fight off the virus.

CVS Pharmacy and Walgreens are both now administering COVID-19 booster shots, but only for those with weakened immune systems. It comes after the Food and Drug Administration ruled that transplant ...

NEW YORK -- In the next month, millions of Americans will get ready to roll up their sleeves for a third dose of the COVID-19 vaccine. But when it comes to booster shots, it's not as simple as "more ...

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, ...

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, ...

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 ...

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, D.C. — President Joe Biden publicly received a COVID-19 booster shot Monday and encouraged all those eligible for a third dose to seek out a shot. At 78 years old, Biden qualified for a ...

Looking to get a COVID-19 vaccine booster for yourself or your child this fall? It may be a bit more complicated than just making an appointment. In August, the U.S. Food and Drug Administration ...