Summary
The article describes a measles outbreak in Canada, which has affected over 3,800 people in 2025. Most cases are in the provinces of Alberta and Ontario, with many infections occurring in communities with low vaccination rates.
Key Facts
- Canada has over 3,800 measles cases in 2025, primarily affecting children and infants.
- This number is almost three times higher than measles cases in the United States.
- Alberta is the province with the highest measles spread rate in North America.
- Canada ranks eighth among the top 10 countries with measles outbreaks, according to CDC data.
- The recent outbreak in Ontario began at a large Mennonite gathering where some communities have lower vaccination rates.
- Measles cases in Canada have not been this high since the disease was declared eliminated in 1998.
- The MMR vaccine is 97% effective and protects against measles, mumps, and rubella.
- The illness spread mainly in low-vaccination communities with cultural or religious beliefs against immunization.
