North America has two other ongoing outbreaks, all of which are the same measles strain. One outbreak in Ontario, Canada, has ...

Ontario has recorded more than 1,400 measles cases linked to an outbreak that began at a large gathering with guests from ...

Health officials say measles infected 197 more people in Ontario over the last week as the highly contagious disease emerged ...

The Ontario County Health Director confirmed a measles case in Ontario County. County Health Director Kate Ott told News 8 ...