Beyond dengue what other mosquito illnesses should I worry about in Sri Lanka

Quick risk map for 2026. DENGUE: the main one, year-round but worse after monsoon, urban and peri-urban, day-biting mosquito, no vaccine routinely recommended for short-trip tourists. CHIKUNGUNYA: present, sporadic outbreaks, similar mosquito to dengue, no vaccine commonly available, prevention is repellent. MALARIA: Sri Lanka was certified malaria-FREE by WHO in 2016 and remains so in 2026; you do NOT need malaria prophylaxis. JAPANESE ENCEPHALITIS: present in rural rice-growing areas, mainly during/after monsoon, evening/night-biting mosquito. Vaccine is recommended only for travelers spending significant time in rural agricultural zones, especially staying overnight near rice paddies (more than a week). For a typical tourist itinerary (Cultural Triangle, beach, hill country, with hotel accommodation), JE vaccine is NOT routine - confirm with your travel-medicine doctor. FILARIASIS, leishmaniasis: rare, minimal tourist concern. Bottom line: cover up at dawn and dusk, use DEET or picaridin repellent, sleep with screens or AC, and most risks are very manageable.