To help answer common vaccine questions, we consulted Dr. Stanley Perlman, a professor at the University of Iowa’s Carver ...

Health officials say the need for the pneumonia vaccine now depends on age, medical conditions and which vaccine you’ve already received.

NEW BRUNSWICK, N.J. -- Booster doses of Johnson & Johnson's one-shot coronavirus vaccine generated a big spike in antibodies, the frontline immune system defenses against infection, the company ...

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.

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 ...

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 ...

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 ...

WEST PALM BEACH, Fla. — Lensey Ackerman got her primary series of the COVID-19 vaccine as soon as she became eligible, in part because she works closely with senior citizens in an assisted living ...