Mexico City

Epidemiological Brief

Mexico City faces the highest Santé score of all 16 World Cup 2026 host cities. CDMX is estimated to have reported 134 new measles cases in EW19 (1,206 cumulative YTD)—the maximum value in the 52-week normalisation window—yielding a perfect normalized measles signal of 100/100 and a composite score of 100 (high). These figures are modelled estimates based on the PAHO Situation Report 3 national total of 10,049 Mexican measles cases through EW19 and DGE historical CDMX proportions; the DGE state-breakdown publication is pending. CDMX historically accounts for approximately 12% of Mexico's measles burden. The scale and velocity of Mexico's outbreak—the largest in the Americas—combined with CDMX's role as a global aviation hub of 50+ million annual passengers, creates exceptional conditions for international measles export. Estadio Azteca and all World Cup venues in the capital require immediate two-dose MMR enforcement for staff, mandatory vaccination clinics at fan zones, and binational case-reporting protocols with WHO PAHO. Health authorities should formally notify tournament organisers of the high-risk epidemiological status. Sante Index v0 is a watching signal, not a forecast.

Model v0 · Updated Jun 8, 2026