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

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

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 ...

Johnson & Johnson said Thursday that new data shows that its single-shot COVID-19 vaccine provides protection against the virus for at least eight months and effectively prevents infection from ...

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 ...

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 ...

A healthcare worker fills a syringe from a vial with a dose of the Johnson & Johnson vaccine (Photo by Phill Magakoe / AFP) (Photo by PHILL MAGAKOE/AFP via Getty Images) Studies indicate that the ...