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 ...

The spread of measles both between provinces and within is keeping doctors and health officials across much of Canada on ...

Alberta has now confirmed more measles cases than the entire United States has reported this year. The province has been ...

The U.S. is having its worst year for measles spread since 1991, with a total of 1,288 cases nationally and another six ...

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

Alberta has significantly exceeded the United States in confirmed measles cases, reporting 1,314 cases since March.In 2025, ...

Alberta has the highest rate of the disease per capita in North America. In an interview with CBC News, Dr. Lynora Saxinger ...

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, ...