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 ...

Canada’s former measles hot spot is reporting no new cases for the first time since a spring surge. Data released by Public ...

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

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

As Alberta’s measles outbreak continues to grow, some residents are reconsidering travel plans — particularly families with young children or individuals with autoimmune concerns. Dr. Christopher ...

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, according ...