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.

Alberta doctors say there is no doubt the measles outbreak in the province is an epidemic, even if the government has not ...

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

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

TORONTO — Canada's former measles hot spot is reporting no new cases for the first time since a spring surge. Data released ...

Several Alberta doctors are warning the province could face "a perfect storm" as measles outbreaks balloon and children head ...

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, Iowa, Kansas, ...