The Food and Drug Administration has authorized booster shots for the Moderna and Johnson & Johnson COVID-19 vaccines. It's also allowing "mixing and matching" of vaccines as boosters.

More than 300,0000 people in Colorado received the one-shot Johnson & Johnson vaccine. Here's how getting a booster shot works for them.

The Food and Drug Administration also gave an OK to boosters that differ from the vaccine originally used to immunize people against COVID-19. A mix-and-match approach could ease the booster rollout.

It's been six months since the Johnson & Johnson vaccine received emergency use authorization. What does the data show about its efficacy, side effects and protection from variants?

The US public and even some health experts may have underestimated the Covid-19 vaccine made by Janssen, a division of Johnson & Johnson, new data shows. And there’s emerging evidence that it ...

Johnson & Johnson's booster and vaccine are the same dose. ... During a mix-and-match COVID-19 vaccine trial funded by the National Institute of Allergy and Infectious Diseases ...

The FDA has already authorized boosters of the Pfizer Covid-19 vaccine for some adults, and is currently considering authorization of boosters of the Moderna and Johnson & Johnson vaccines.

Updated Thursday, Jan. 6. What to know about COVID vaccine boosters if your first vaccine was: Johnson & Johnson ; Moderna ; Pfizer; Moderna booster shots, Pfizer booster shots and Johnson & Johnson ...

When Alex Ossola first got her Johnson & Johnson COVID-19 vaccine earlier this year, she stood in line for three hours outside her local pharmacy. It was "misery," she told TODAY. But at the same ...

However, people who only received Johnson & Johnson's vaccine for their primary and booster shot were the only group not to reach antibody levels "correlated with 90.7% vaccine efficacy at ...

Johnson & Johnson released data from a Phase 3 clinical trial for its booster, which showed positive results, but the company has not applied for emergency use authorization yet. Growing evidence ...