Number of Measles Cases in Canada Almost Triple That of US

Ontario and Alberta account for the bulk of infections in Canada.

A sign outside of Seminole Hospital District offering measles testing, in Seminole, Texas, on Feb. 21, 2025. Julio Cortez/AP Photo

The number of measles cases in Canada this year is nearly triple that of the United States, according to a July 28 weekly monitoring report from the Canadian government.

As of July 19, confirmed measles cases reported in Canada had reached 3,878, according to the report. This is 2.9 times the 1,333 confirmed cases reported in the United States as of July 29, according to a July 30 update from the Centers for Disease Control and Prevention.