Measles is the most contagious disease that we know. It spreads with unbelievable efficiency, in a nonimmune or a partially immune population,” says Dr. Adam Ratner, pediatric infectious disease ...

Dr. James Hildreth, an epidemiologist and head of Meharry Medical College, said he is 'baffled' over RFK Jr.'s changes to CDC vaccine advisory panel.

(AP) - The U.S. logged fewer than 30 measles cases this week as Ohio health officials confirmed three outbreaks in two ...

Measles, once declared eliminated in the U.S., has seen a resurgence, with recent cases linked to travelers passing through U.S. airports.

Organizers of the “No Kings” demonstrations said millions had marched in hundreds of events. In Oregon, tens of thousands of ...