If you got the J&J/Janssen vaccine as your first vaccine and first booster dose, the CDC recommends a second booster using an mRNA COVID-19 vaccine. You may get this at least two months after your ...

Recent vaccination announcements have led to some confusion. Four physicians weigh in on who should get vaccinated and when ...

Second booster shots of the coronavirus vaccine for people younger than 50 are on hold as the Biden administration tries to accelerate a fall vaccination campaign using reformulated shots that ...

What We Know About Getting a Second Booster Shot of COVID-19 Vaccines. Studies show that a fourth mRNA vaccine dose offers the elderly and other high-risk groups strong protection against ...

After years of updates on COVID-19 vaccines and boosters, it can be confusing to know who should get a shot and when. While a lot of that confusion has to do with the new COVID strains that ...

Researchers added virus-like features to mRNA vaccines. In mice, this vaccine caused stronger, longer-lasting immune responses.

Former CDC vaccine adviser Dr. Finona Havers, who resigned last week over Kennedy's changes to vaccine policy, said it will ...