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

The Eastern Ontario Health Unit has confirmed the first two cases of measles in the region since an outbreak began in the ...

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

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

The northern Americas are at “high” risk of measles compared with a “moderate” risk globally, according to the WHO.