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.

To help answer common vaccine questions, we consulted Dr. Stanley Perlman, a professor at the University of Iowa’s Carver College of Medicine and a member of the U.S. Food and Drug Administration’s ...

It is now up to the CDC to decide whether to roll out booster shots for Moderna and Johnson & Johnson vaccine recipients, after the FDA authorized the additional doses Wednesday. The FDA also signed ...

Johnson & Johnson says it's seeing significant benefits from its COVID vaccine booster shot. At the same time, some local researchers are trying to determine if combining the different vaccines might ...

Moderna booster shots, Pfizer booster shots and Johnson & Johnson booster shots of the COVID-19 vaccine are now available, following a thorough in-depth review process from the Food and Drug ...

CNN — The US Food and Drug Administration authorized booster doses of both Covid-19 vaccines made by Moderna and Johnson & Johnson Wednesday and also said any of the three authorized vaccines could be ...