The health secretary has chipped away at the idea that immunizing children against measles and other diseases is a public health good.

The measles outbreak has now surpassed 700 reported cases in the U.S., raising the pressure on Health and Human Services ...

With two measles deaths - both children - in the state, officials struggle to convince communities to vaccinate.

The 1950s was a turning point for polio. Amid deadly outbreaks, Jonas Salk developed a vaccine that saved countless lives ...

The U.S. has recorded the highest number of measles cases since 2019, according to new Centers for Disease Control and ...

Health and Human Services Secretary Robert F. Kennedy Jr. this week made his strongest endorsement yet of the measles vaccine ...