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.

Health officials are warning travelers and Boston residents after a person visited popular attractions around the city.

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

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

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

With two cases of measles confirmed by officials in Flathead County and more continuing to show up across the state, local ...

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

Health officials in Boston said someone infected with measles recently flew to South Florida.According to the Massachusetts ...

A child infected with measles may have been contagious while at MemorialCare’s Long Beach Medical Center on Atlantic Avenue ...

New data on Zion Elementary District 6’s measles vaccination rate reveals the district is in a far better position than state ...