Ontario Sees Surge in Measles Cases Tied to New Brunswick Exposure

The outbreak, which began in October, has sickened 37 people, mostly unvaccinated children and teens, with one death reported this year.

Public Health Ontario reports 37 measles cases linked to exposure in New Brunswick, with 11 confirmed and 26 considered probable.
The outbreak has primarily affected children and teenagers, with 28 of the cases involving individuals under 18.
Nearly all of those infected were unvaccinated, with only two exceptions noted by health officials.
Ontario has recorded 63 measles cases in 2024, marking a sharp increase compared to an annual average of 10 cases over the previous decade.
The highly contagious virus has led to eight hospitalizations and one death in Ontario this year, underscoring the importance of vaccination.