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 ...

Many countries including Canada and the U.K. have backed mix-and-match strategies for the widely-used AstraZeneca-Oxford vaccine, which is not authorized in the United States but is based on similar ...

NEW BRUNSWICK, N.J. -- A real-world study of South African health care workers found that two doses of the Johnson & Johnson COVID-19 vaccine offer 85% protection against hospitalization from the ...

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 ...

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.

Those who received the Johnson & Johnson COVID-19 vaccine will see an increase in protection and antibodies with a booster shot. The company released the information Tuesday pointing out that there is ...

WASHINGTON, D.C. — A key advisory panel for the Food and Drug Administration (FDA) has endorsed the use of booster shots of Johnson & Johnson’s COVID-19 vaccine. The agency’s Vaccines and Related ...