Dengue Fever risk in Lima

Dengue Fever Prevention Guide for Lima, Peru Risk Score: 66/100 WHAT IS DENGUE FEVER? Dengue is a viral disease transmitted through the bite of infected Aedes aegypti mosquitoes. Symptoms include high fever, severe headache, joint and muscle pain, rash, and in serious cases, hemorrhagic complications. No specific antiviral treatment exists, making prevention critical. LOCAL RISK FACTORS IN LIMA Lima's warm coastal climate and densely populated districts create favorable conditions for mosquito breeding. The Rimac River and areas with inadequate water storage practices contribute to stagnant water accumulation. Neighborhoods like San Juan de Lurigancho, Comas, and parts of Callao face higher risk due to limited water infrastructure and informal housing. The El Niño climate pattern periodically increases rainfall and temperatures, expanding mosquito populations. Lima's risk score of 66/100 reflects moderate but significant concern, especially during the warmer months from December through May. PREVENTION STEPS 1. ELIMINATE BREEDING SITES. Check your home weekly for standing water in flower pots, tires, water tanks, uncovered containers, and gutters. The Aedes mosquito breeds in clean stagnant water. Empty and scrub containers every few days. 2. USE PROTECTIVE MEASURES. Apply DEET-based repellent during daytime hours when Aedes mosquitoes are most active. Install window screens and use mosquito nets, especially for sleeping areas. 3. SECURE WATER STORAGE. Keep water tanks tightly covered with lids or mesh screens. Communities without consistent piped water often store water in open containers, creating prime breeding habitat. 4. COMMUNITY ACTION. Organize neighborhood clean-up campaigns with municipal health authorities. Report abandoned lots with accumulated water to local sanitation services. Collective prevention is more effective than individual effort alone. 5. SEEK EARLY MEDICAL CARE. If you develop sudden high fever with pain behind the eyes, seek immediate medical attention. Avoid aspirin and ibuprofen, which can worsen bleeding risks. Early detection significantly improves outcomes and helps health authorities track outbreaks.