Sonora continues to have the second-highest number of measles cases of all of Mexico’s states, after only its neighboring ...

In Arizona, the Maricopa County Department of Public Health today said that a person infectious with measles traveled through Phoenix Sky Harbor Airport on June 10 and that the health department is ...

Sacramento County's public health officer on Monday confirmed a measles case involving a child who recently returned from international travel.

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

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

The reluctance to get childhood immunizations comes amid a tumultuous period in Washington surrounding vaccine approvals.

The reluctance to get childhood immunizations comes amid a tumultuous period in Washington surrounding vaccine approvals.

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

By Tim Henderson Stateline As super-contagious measles continues to spread and nears a six-year U.S. record, cases in its ...

State health leaders are warning about potential measles exposure in Bernalillo, Santa Fe and Sandoval counties.

The U.S. logged fewer than 30 measles cases this week as Ohio health officials confirmed three outbreaks in two counties were ...