Ontario is seeing a massive surge in measles cases as an ongoing outbreak spreads in the province among unvaccinated children and teenagers. Public Health Ontario is reporting 372 total cases since an outbreak began on Oct. 28, 2024. That’s a jump of 195 cases since the agency’s last report on Feb. 27. The Canadian Press has prepared a graphic looking at the annual number of cases in Ontario since 2013. This graphic accompanies the story slugged Ont-Measles-Outbreak