LONDON - Johnson & Johnson’s booster dose of its vaccine was found to be 94% effective against symptomatic COVID-19 in the United States when administered two months after the first shot, the company ...

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 ...

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 ...

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 ...

J&J has been under pressure to produce evidence of whether a booster shot would increase protection from its one-shot vaccine as the U.S. government prepares to roll out a booster campaign next month.

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 ...

On Thursday, Johnson & Johnson released new data showing that its COVID-19 vaccine and booster shot offers significant protection against hospitalization caused by the omicron variant. The company ...

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 ...

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 ...

More than 16 million Americans rolled up their sleeves last year to get Johnson & Johnson's COVID-19 vaccine because it promised to be a "one and done" shot. But months after federal officials ...