Guadalajara authorities implemented mandatory face mask use in basic education schools on February 5, 2026, due to 1,113 measles cases reported in Jalisco so far this year, according to Azteca Noticias. The measure addresses the rapid increase in infections, surprising some parents. The policy was announced amid rising measles infections in Jalisco, with face masks returning to classrooms as a containment step. Azteca Noticias reported the development via social media, highlighting the sudden requirement for students in basic education. Jalisco has recorded 1,113 measles cases in 2026 to date, prompting the health response in Guadalajara schools during the reporting window from 3:15 PM to 4:45 PM UTC, per the source.
