The Centers for Disease Control said over 300 million vaccine doses have now been administered in the United States as of Sunday. That means that more than 63% of American adults received at least one ...

Learn about the safety and effectiveness of COVID-19 vaccines for kids, the possible side effects, and the benefits of vaccination.

A New York-based company has just filed to patent the world’s first vaccine that would protect against both COVID and the seasonal flu, and it would be administered as a nasal spray. The vaccine, ...

(This is an excerpt of the Health Rounds newsletter, where we present latest medical studies on Tuesdays and Thursdays.) Feb 18 (Reuters) - A two-in-one mRNA vaccine developed by Moderna that targets ...

Rare but dangerous blood clotting associated with that vaccine as well as AstraZeneca’s had a genetic cause, according to a new paper.

One panelist accused the F.D.A. of withholding data on potential harms. The advisers also are reviewing research on vaccines ...

From inoculations against polio and smallpox to protections from measles and tetanus, vaccines are critical health care tools that have saved more than 150 million lives in the past 50 years. Rarely, ...

By Hugo Francisco de Souza A novel nasal booster approach may help close the gap between systemic vaccination and infection-blocking mucosal immunity, offering fresh insight into next-generation COVID ...