Hantavirus risk in Colombo

Hantavirus in Colombo: Practical Prevention Guide Risk Score: 57/100 What is Hantavirus Hantavirus is a viral infection spread primarily through contact with rodent urine, droppings, or saliva. In severe cases, it can cause Hantavirus Pulmonary Syndrome, a serious respiratory illness. In Colombo, the risk is moderate due to urban rodent populations, seasonal flooding, and storage practices that attract rats. Local Risk Factors in Colombo The risk score of 57 reflects Colombo's tropical climate, monsoon seasons that drive rodents indoors, dense urban housing with older buildings, open food storage in markets, and waste management challenges. Areas near canals, warehouses, and food markets see higher rat activity, especially during heavy rains. Actionable Prevention Steps 1. Seal entry points. Inspect your home monthly. Use steel wool and caulk to close gaps around pipes, vents, and doors. Rats can fit through holes the size of a coin. 2. Store food properly. Keep rice, grains, and dry goods in sealed metal or thick plastic containers. Never leave pet food out overnight. Clean up fallen fruit and food waste immediately. 3. Manage waste and clutter. Dispose of garbage daily in sealed bins. Clear cardboard piles, old newspapers, and fabric stored in garages or sheds. Rodents nest in undisturbed, dark stacks. 4. Handle cleaning safely. If you find droppings, wear gloves and a mask. Wet the area with disinfectant before sweeping to avoid stirring dust. Never dry sweep rodent-contaminated spaces. 5. Reduce outdoor attractants. Trim vegetation touching buildings. Keep compost bins away from walls. Report overflowing drains and blocked canals to municipal authorities, as these create breeding corridors. When to seek care If you develop sudden fever, muscle aches, and shortness of breath after possible rodent exposure, seek medical attention immediately and mention your concern to the doctor.