Malaria risk in Chongqing

Malaria is a life-threatening disease caused by parasites transmitted through the bites of infected female Anopheles mosquitoes. Symptoms include fever, chills, headache, and fatigue. Without prompt treatment, severe malaria can be fatal.

Chongqing presents a moderate malaria risk score of 56/100. The city's subtropical climate, extensive river systems, and waterlogged rice paddies create ideal breeding grounds for Anopheles mosquitoes, particularly during the warmer months from May to October. Rural outskirts and areas near the Yangtze and Jialing rivers see higher mosquito activity. Construction sites and areas with poor drainage also contribute to increased transmission risk.

Here are five practical prevention steps:

Use insect repellent containing DEET, picaridin, or oil of lemon eucalyptus on exposed skin. Reapply every few hours, especially during dawn and dusk peak biting times. Wear long sleeves and pants in light colors when outdoors. Sleep under insecticide-treated bed nets if staying in rural or semi-rural accommodations. Eliminate standing water around living areas, including in containers, tires, and flower pots. Seek immediate medical attention if fever develops within weeks of travel to affected areas, and inform your healthcare provider about your travel history.

Consult your doctor about antimalarial prophylaxis if visiting high-risk zones outside urban centers.