Monterrey

Epidemiological Brief

Monterrey presents a high measles burden as part of Mexico's ongoing national outbreak. Nuevo León state is estimated to have reported 67 new measles cases in EW19 (603 cumulative YTD), derived from the PAHO Situation Report 3 national total of 10,049 cases through EW19 and DGE historical state-level distribution. The normalized measles signal is 50.0/100. The composite Santé score is 50.0 (medium). These figures are modelled estimates pending resumption of DGE's state-level data publication. Nuevo León is one of Mexico's most industrialised and internationally connected states; the Monterrey metropolitan area receives significant cross-border traffic from Texas, itself experiencing a major measles outbreak. The dual Texas–Nuevo León measles transmission corridor represents a particularly elevated binational risk vector for World Cup attendees. BBVA Stadium venue operators should enforce MMR documentation, and Mexico's Secretaría de Salud should coordinate vaccination bridge clinics at the Colombia–Laredo and McAllen–Reynosa border crossings. Active surveillance and immediate contact-tracing capacity must be maintained. Sante Index v0 is a watching signal, not a forecast.

Model v0 · Updated Jun 8, 2026