Rare but dangerous blood clotting associated with that vaccine as well as AstraZeneca’s had a genetic cause, according to a new paper.

Johnson & Johnson announced Monday it could have a coronavirus vaccine ready for human testing by September. The company said it has selected a lead vaccine candidate from constructs it's been working ...

NEW JERSEY (WABC) -- While the push is on to get more of the COVID-19 vaccine, there is some hope on the horizon. Johnson & Johnson is getting closer to seeking emergency FDA approval for its vaccine ...

When people get the shots, the body’s immune system can accidentally confuse a normal protein from adenovirus - which is used ...

Researchers identify genetic mutation in small group of people who developed the serious disorder after receiving the AstraZeneca or Johnson & Johnson vaccine.

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 ...

BERKELEY, Calif. -- At the very moment we need more vaccines, California is reportedly about to see a major drop in doses from Johnson & Johnson -- not just a few hundred or even few thousand doses, ...

Rare but deadly blood clots tied to J&J and AstraZeneca's vaccines were caused by an autoimmune reaction that some people are predisposed to, researchers found.

A company making Johnson & Johnson’s one-shot coronavirus vaccine accidentally ruined 15 million doses of the vaccine, according to a New York Times report on Wednesday. The company, Emergent ...