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

I work at a mobile health clinic in Southwestern Ontario. Here’s why contagion is spreading through our community.

As the spread of measles slows in Ontario, health officials confirm there have been four cases in Ottawa — two of them related to what has been the largest outbreak in North America.

A measles outbreak in Ontario that began in October and resulted more than 2,200  infections and the death of one infant appears to be slowing down.

Alberta is the province hardest hit by the disease with more cases than the entire US. Experts warn of declining vaccination ...

Most new measles cases in Ontario over the past week were reported in a popular summer travel area. Public Health Ontario is ...

As the growing spread of measles in Canada may be imperiling the country's official elimination status for the disease, some social media users are blaming the entry of unvaccinated immigrants for the ...

The U.S. is having its worst year for measles spread in more than three decades, and the year is only half over. The national ...

The U.S. is up to 1,267 confirmed measles cases this year and Kentucky has a new outbreak. The national case count is seven cases shy of 2019's record case count.

Ontario's measles outbreak has become so big that public health officials in New York state have included the province in a travel advisory that urges residents to get vaccinated before visiting ...

ST. THOMAS — Health-care workers battling measles in southern Ontario say they think about the outbreak from the moment they wake until the moment they sleep.