Measles is caused by a highly contagious virus that’s airborne and spreads easily when an infected person breathes, sneezes ...

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 ...

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

Secretary of Health and Human Services Robert F. Kennedy Jr.’s decision to fire the Centers for Disease Control and Prevention’s (CDC) entire vaccine board even as childhood vaccination rates drop is ...