Mexico recorded 185 new cases of measles during the first week of the FIFA 2026 World Cup, intensifying concerns over viral transmission amid the massive influx of international tourists, according to health ministry data released on June 20, 2026.
Figures from the Ministry of Health’s daily outbreak report showed that total cases nationwide rose from 11,586 on June 10—the day before the tournament’s opening match—to 11,771 by June 18. The surge heavily impacts active World Cup host cities. Jalisco leads the nation with an alarming 6,501 cases, a figure that nearly equals Mexico’s entire case count for the year 2025. Following Jalisco, the hardest-hit regions are Mexico City with 988 cases, Chiapas with 836, and Durango with 482.
Public health data indicates that children aged one to four represent the most affected demographic, followed closely by the five-to-nine age bracket, and young adults aged 25 to 29. Furthermore, officials confirmed a total of 43 accumulated measles deaths across 11 states during the 2025–2026 outbreak period, with Chihuahua accounting for nearly half of the fatalities.
The spike comes amid scrutiny over border health controls. Despite previous assertions by Health Secretary David Kershenobich that international airports would implement specialized sanitary filters for the tournament, field reports from the Mexico City International Airport (AICM) revealed that incoming travelers are not being screened or asked for proof of vaccination.
The ongoing outbreak places significant diplomatic and regulatory pressure on the country. The World Health Organization (WHO) previously extended a deadline until November 2026 for Mexico and the United States to halt endemic transmission. Mexican health authorities must present comprehensive control strategies at the upcoming regional verification meeting to avoid permanently losing the country’s certified status as a measles-free nation.
Source: OEM




