Health Secretary Robert F. Kennedy Jr. fired all the people serving on a national vaccine advisory board. NPR's Ayesha Rascoe speaks to Edwin Asturias, one of the doctors who was sacked.

Health and Human Services Secretary Robert F. Kennedy Jr.’s moves to upend decades of vaccine policy could hit patients ...

As super-contagious measles continues to spread and nears a six-year U.S. record, cases in its original epicenter of West ...