U.S. health advisers endorsed a booster of Johnson & Johnson’s COVID-19 vaccine Friday, citing concern that Americans who got the single-dose shot aren’t as protected as those given two-dose brands. J ...

Johnson & Johnson asked the Food and Drug Administration on Tuesday to allow extra shots of its COVID-19 vaccine as the U.S. government moves toward expanding its booster campaign to millions more ...

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 ...

U.S. pharmacies are starting to offer a variety of COVID-19 booster shots days after U.S. health officials approved the extra dose for Moderna and Johnson & Johnson vaccines. Walgreens, Walmart, Sam’s ...

WHEELING, W.Va. — While Pfizer booster shots have been going in arms for a few weeks now, those who received Moderna or Johnson & Johnson may be seeing their shots in the near future. The FDA's ...

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 ...

WASHINGTON, D.C. — U.S. health officials announced Wednesday that booster shots will soon be available to Americans who have received the COVID-19 vaccines made by Pfizer and Moderna. Officials with ...

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 ...

U.S. regulators on Wednesday signed off on extending COVID-19 boosters to Americans who got the Moderna or Johnson & Johnson vaccine and said anyone eligible for an extra dose can get a brand ...

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 ...

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 ...