North America has three other large outbreaks. The longest, in Ontario, Canada, has resulted in 2,276 cases from mid-October ...

Faced with a skeptical religious community that became the center of the outbreak, public health officials say they may have ...

Measles is highly contagious. It can lead to serious health problems. But it is preventable by the MMR vaccine.

Health officials in Illinois and North Dakota say their measles outbreaks are over. The U.S. added 21 new cases since July 9. States with active outbreaks include Arizona, Colorado, Georgia, Iowa, ...

Dropping vaccination rates and changes in U.S. vaccine policy have public health experts concerned that annual measles outbreaks could become more frequent.

The U.S. is having the worst measles outbreak in decades. Here’s what experts recommend you do to avoid getting sick.

Measles cases in the U.S. are at their highest in three decades The U.S. is having its worst year for measles spread in more than three decades, with a total of 1,288 cases nationally and another six ...

Health officials in Colorado say the state’s measles outbreak is over, and the U.S. added just 10 confirmed cases nationally in the last week. Wednesday’s national case count stood at 1,319 ...

Health officials in Illinois and North Dakota say their states' measles outbreaks are over, pointing to a continuing slowdown ...

Health officials in Colorado say its measles outbreak is over. The U.S. added 10 new cases this week for a total of 1,319. States with active outbreaks include Arizona, Georgia, ...

Health officials in Colorado say the state's measles outbreak is over, and the U.S. added just 10 confirmed cases nationally in the last week. Wednesday's national case count stood at 1,319, ...