Minsa issues epidemiological alert on risk of increased disease due to El Niño phenomenon

Peru's Ministry of Health (Minsa), through CDC Peru, issued Epidemiological Alert No. 008-2026 on the risk of increased disease associated with the 2026-2027 El Niño phenomenon, which could bring intense rainfall, flooding and difficulty accessing safe water. Through epidemiological week 40 of 2026, 71,256 dengue cases (+122%), 13,235 leptospirosis cases (+85.5%) and 1,159,363 acute diarrheal disease episodes (+11.3%) have been reported; the alert also covers malaria and measles. It calls for strengthening epidemiological surveillance, diagnostic capacity, supplies and staffing, vector control and dengue vaccination in priority areas, in coordination with regional and local governments.