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.

Johnson & Johnson said Tuesday that Phase 3 studies show that a booster shot of its COVID-19 vaccine increases protection against moderate cases of the virus to 94% in the U.S. Worldwide, J&J said ...

NEW BRUNSWICK, N.J. - Johnson & Johnson said Tuesday it has asked the U.S. Food and Drug Administration to authorize a booster shot for its single-dose COVID-19 vaccine as the government looks to ...

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 reported Wednesday. People ...