A headline is fueling concern about Johnson and Johnson's one-shot vaccine, and whether it's less effective against the Delta variant. But experts point out the new study, out of NYU's school of ...

The following is a roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for COVID-19, the illness caused by the virus.

Pfizer Inc and Johnson & Johnson are seeking input from a U.S. Food and Drug Administration advisory committee on retaining and attracting volunteers for COVID-19 vaccine trials after a vaccine ...

A European medical regulator says it has found a possible link to the cause of the extremely rare blood clot disorder, tied to the Johnson and Johnson vaccine. It's the potential finding that medical ...

More than 12 million Americans have rolled up their sleeves for the Johnson & Johnson COVID-19 vaccine. Now, preliminary but promising data shows the single-shot vaccine appeared to work well against ...

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 ...

WASHINGTON -- U.S. health officials lifted an 11-day pause on COVID-19 vaccinations using Johnson & Johnson's single-dose shot on Friday, after scientific advisers decided its benefits outweigh a rare ...

PHILADELPHIA -- One of the six women who developed an extremely rare, severe type of blood clot linked to the Johnson & Johnson vaccine is from Pennsylvania. According to ABC News, the woman was ...