Learn more about what to expect from COVID-19 booster shots. Three different boosters are available: In the U.S., the Johnson ...

but the agency has not authorized a Johnson & Johnson booster either. If my loved one has been vaccinated already, is it safe for me to go visit? Maybe, under guidance from the U.S. Centers for ...

Booster shots are here — for some Americans ... What about those who got J&J? People who got the Johnson & Johnson shot also need boosters, and they're welcome to mix and match them.