As the US struggles to contain its worst measles outbreak in years, cases have spilled over into Mexico. On April 27, the Chihuahua Health Secretariat pushed the state’s number of confirmed cases even higher, to 713. In comparison, the Pan American Health Organization reported only 7 confirmed cases in the whole of Mexico in 2024. The United States has recorded 884 confirmed cases of measles this year, up from 285 in 2024, as well as three deaths from the disease. From April 26 to May 3, the plan is to boost vaccine levels in the group most vulnerable to measles: children from 1 to 9 years of age.