NYT Surges in Mennonite communities near the U.S. border may complicate containment efforts, experts say. As the United States struggles to contain a resurgence of measles that has swept through swaths of the Southwest, neighboring countries are responding to their own outbreaks.
Canada has reported more than 730 cases this year, making this one of the worst measles outbreaks in the country since it declared the virus “eliminated” in 1998. Mexico has seen at least 360 measles cases and one death, most of them in the northern state of Chihuahua, according to Mexican health authorities.