mRNA vaccines train the immune system in a similar way to traditional vaccines, but they use a different strategy to get there.

A public health official in Texas recently warned that the state's ongoing measles outbreak could last a year. Why are cases expected to keep rising?

Cancer vaccines harness the power of the immune system to stop tumors in their tracks. They work a little differently than regular vaccines intended to prevent infectious diseases, like measles or the flu.

There are now RSV vaccines approved for older adults and for pregnant people, and antibody shots (not vaccines) available for babies. What's the difference?

The CDC has clarified and narrowed its recommendations for which older adults should get an RSV vaccine.

Recent studies suggest PFAS can pass through human skin and through the placenta. What does that mean for our health?

There's been some reports of Guillain-Barré syndrome in older adults who got the vaccines. But health officials still recommend that this population get the shots, in consultation with their doctors.

Health officials are encouraging people at risk of mpox to seek vaccination, as cases are on the rise.

CDC data shows that more than 60 measles cases have been reported so far in 2024, surpassing last year's total.

Pfizer's recently approved RSV vaccine maintains a high and fairly steady rate of effectiveness across consecutive RSV seasons.