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

Arizona health officials say there are four confirmed linked measles cases, making it another state with an outbreak.

The international traveler landed at Dulles on June 8 and traveled to several locations in the District, officials said.

Dr. Jessica Shepherd, chief medical officer for Hers, joins ABC News Live to discuss today’s top health headlines.

The U.S. Centers for Disease Control and Prevention is now urging summer camp operators to check for documentation of ...

As measles cases in the United States continue to mount, neighboring countries Canada and Mexico are also experiencing ...

Were you exposed to measles? Local and state health agencies are tracking potential exposures after an unvaccinated ...

Doctors and scientists worry Alberta's measles outbreaks could signal the start of a new era when other dangerous infectious ...

With two cases of measles confirmed by officials in Flathead County and more continuing to show up across the state, local health and county entities are keeping a close eye on the disease. "It's ...

After hitting last week’s milestone of no new cases, the Texas measles outbreak has increased again. The Texas Department of ...

A traveler contagious with measles visited multiple public places in Boston from June 7-8, health officials said.

Pennsylvania is one of several states that have reported recent measles cases. Here's what parents in Pennsylvania need to ...