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 ...

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

Health officials in Illinois and North Dakota say their states’ measles outbreaks are over, pointing to a continuing slowdown of measles spread in the U.S. during vaccine-preventable disease’s ...

Another outbreak in Alberta, Canada, has sickened 1,246 as of Wednesday. And the Mexican state of Chihuahua had 2,966 measles cases and eight deaths as of Wednesday, according to data from the ...

Alberta has surpassed the United States in confirmed measles cases, after 30 new cases were diagnosed over the weekend.

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, ...