LONDON (AP) — Johnson & Johnson said Tuesday that a booster of its one-shot coronavirus vaccine provides a stronger immune response months after people receive a first dose. J&J said in statement that ...

A second dose of Johnson & Johnson's COVID-19 vaccine given two months after the first leads to stronger protection, according to the company. The new data, announced in a press release, adds to a ...

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 - The Food and Drug Administration said Wednesday it is wrestling with whether and when recipients of the single-shot Johnson & Johnson COVID-19 vaccine need another dose — at six months or ...

WASHINGTON — The Food and Drug Administration is wrestling with how to decide when Americans should seek out a booster dose of the single-shot Johnson & Johnson COVID-19 vaccine. Other manufacturers ...

NEW BRUNSWICK, N.J. — Johnson & Johnson (J&J) announced Tuesday that it has submitted data to the Food and Drug Administration (FDA) to support the use of a booster shot of its COVID-19 vaccine in ...