In a new book, pediatric infectious disease specialist Dr. Adam Ratner details the history of measles, a virus that’s often a ...

RFK Jr.’s views on vaccine safety have sparked debate, with some experts saying that his comments are misleading.

Here is what we know about polio as a disease, its vaccines and the likely number of lives saved through inoculation.

The U.S. Senate Finance Committee could vote as soon as Tuesday on Robert F. Kennedy Jr.’s controversial nomination to be ...