(PAHO) – The Pan American Health Organization (PAHO) has published a new Public Health Situation Analysis on the El Niño climate event (2026–2027), which examines the potential health risks associated with its likely development during 2026 and early 2027. The document analyzes how different climate scenarios related to El Niño could affect population health, health services, and other determinants of health in the Americas, and provides recommendations to support country preparedness. First, the analysis addresses communicable diseases, identified among the main public health risks associated with certain climate scenarios. These include cholera and other waterborne diseases, as well as vector-borne diseases such as malaria, dengue, Zika, and chikungunya. In relation to malnutrition, the analysis examines how crop losses, food insecurity, and disruptions to livelihoods could particularly affect vulnerable groups, including children under 5 years of age.