Louisville Plans Mosquito Fogging After West Nile Virus Detected in Nine New Neighborhood Areas
The Louisville Metro Department for Health and Wellness has announced plans for mosquito fogging operations in nine neighborhoods after surveillance traps identified mosquitoes carrying West Nile virus. The affected areas include Old Louisville, St. Joseph, Rockford Lane, Upper Hunters Trace, Shively, St. Denis, Shawnee, River Park, Portland, and California. Fogging is scheduled to occur from August 25-27, weather permitting, typically during early morning or evening hours when mosquitoes are most active. This action is a preventative measure to reduce the risk of West Nile virus transmission to humans. So far in 2026, Jefferson County has reported only one human case of West Nile virus, a decrease compared to 12 cases in 2025. Residents are advised to take personal precautions such as using insect repellent, wearing protective clothing, and eliminating standing water around their homes.