About 90% of the U.S. population has gotten their two-dose regimen to protect against measles, mumps and rubella, but increasingly, the unvaccinated have been contracting the highly contagious, ...

After stating on February 26 that a measles outbreak was “not unusual,” Kennedy has expressed new urgency about the first major public health crisis on his watch. The rapidly expanding ...

Local public-health experts and leaders said the risk of a measles outbreak in San Francisco remains low as the infectious ...