Two of the vaccines we have for COVID-19 have the distinction of being the first mRNA vaccines to see widespread use in ...

Older adults vaccinated against shingles appear to experience slower biological aging, according to a new study.

Researchers found an association between increased activity in a reward region of the brain—primarily stimulated by hopeful thinking—and heightened levels of protective antibodies after receiving a va ...

The Trump administration will expand the “Mexico City rule,” which bars recipients of United States foreign aid from ...

Vaccines are an important part of modern medicine, helping to build up a person’s immunity and protect them from illness, while also protecting the people around them.

A trial was about to launch for a vaccine that would ward off the HIV virus. It would be an incredible breakthrough. Then it ...

The United States reported a record number of measles cases in 2025, and the virus continues to spread rapidly in the new year. At least ​171 measles cases have been reported in the first two weeks of ...

When you’re pregnant, you do everything you can to stay well and protect your growing baby. One of the most effective ways to ...

Add Yahoo as a preferred source to see more of our stories on Google. One of the primary reasons influenza is spreading so rapidly in New Jersey and beyond is a mutated variant that was discovered ...

One of the primary reasons influenza is spreading so rapidly in New Jersey and beyond is a mutated variant that was discovered after this season's flu vaccine had already been formulated. The new ...

Mascha Davis M.P.H., R.D.N., is a nationally recognized registered dietitian nutritionist, humanitarian and founder of Nomadista Nutrition, a private nutrition practice based in Los Angeles. Her ...