Novavax on Wednesday received Food and Drug Administration authorization for a booster dose of its COVID-19 vaccine. Yet unlike the bivalent mRNA vaccines currently on the market, Novavax’s booster ...

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 ...

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 ...

The Centers for Disease Control and Prevention is issuing new advice for people who are immunocompromised. The health organization said people who've had the MRNA vaccines should look to get a fourth ...

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 ...

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, ...

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 ...

WASHINGTON -- With winter closing in and coronavirus case rates creeping up once again, White House chief medical adviser Dr. Anthony Fauci is warning that the vaccines' waning immunity combined with ...