abstract
- A pediatric Rocky Mountain spotted fever (RMSF) outbreak exhibiting high pediatric mortality in Nuevo León, Mexico. The classic triad was present (fever, rash, and tick bite). Geographic Information Systems (GIS) analysis identified urban clusters in marginalized areas, emphasizing social determinants¿ impact. Early diagnosis and targeted interventions are critical. © The Author(s) 2025. Published by Oxford University Press on behalf of the Pediatric Infectious Diseases Society. All rights reserved.