The spread of measles is showing no signs of slowing down in Mexico. Between July 21 and 25, the country’s number of confirmed infections in 2025 rose from 3,553 to 3,730, an increase of 197 in only four days, according to the Ministry of Health. Experts and health officials in Mexico have warned that the virus’s speed of transmission appears to be increasing.
So far, the outbreak has claimed the lives of 12 people: 11 in the state of Chihuahua—which borders Texas to the north, the epicenter of the US’s measles outbreak—with one more death in the neighboring