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

Confirmed cases of measles in Canada are nearly three times higher than in the US, despite Canada's far smaller population.

Although measles has been declared eliminated in most of the developing countries including Canada since 1998, the country is ...

Faced with a skeptical religious community at the center of the outbreak, health officials say they may have pushed too hard ...

A wave of anti-vaccine sentiment has spurred measles outbreaks around the world, and could lead to outbreaks of other ...

Local health officials are ending weekly measles reports for a southern Ontario hot spot that had led the country in ...

Despite having 300 million fewer residents, Canada now has nearly three times more measles cases than the United States.

The U.S. Centers for Disease Control and Prevention reported July 8 a total of 1,288 confirmed measles cases in 39 ...

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, ...