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 ...

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 ...

Johnson & Johnson says it's seeing significant benefits from its COVID vaccine booster shot. At the same time, some local researchers are trying to determine if combining the different vaccines might ...

Americans could soon see a major increase in access to COVID-19 vaccine booster shots. On Friday, the U.S. Food and Drug Administration (FDA) announced its Vaccines and Related Biological Products ...

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 an extra dose ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. WASHINGTON (AP) — With many Americans who ...

Johnson & Johnson Covid-19 vaccine recipients are better off getting a booster shot from Pfizer or Moderna, a highly anticipated U.S. study suggested Wednesday. The National Institutes of Health study ...