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 ...

Discussions around whether a COVID-19 vaccine booster is necessary can have seemingly conflicting information. “It’s complicated. This is not just a simple equation,” Dr. Michelle Barron, senior ...

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 ...

Among women who never got sick, researchers found the shots appeared to improve vascular and immune health. For mothers with ...

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 — 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 ...

Millions of Americans are one step closer to getting a COVID-19 booster shot. The Food and Drug Administration (FDA) amended its emergency use authorization for a Pfizer booster shot Wednesday. It ...

Centers for Disease Control and Prevention Director Dr. Rochelle Walensky on Friday endorsed COVID-19 vaccine booster shots for millions of Americans at risk for severe infection, clearing the way for ...

In Texas, at least 90 cases of measles have been reported in recent weeks across the northwest part of that state.