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 ...

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This is an archived article and the information in the article may be outdated.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 ...

Most Americans are asking the same questions, "When Should I Get My Covid booster?", “Can I still get a Covid booster?” The answer, unfortunately, isn’t simple. For some, the shot may be easy to ...