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Chicago Fights West Nile: Mosquito Control Efforts Begin
29 Jul
Summary
- Mosquitoes are being sprayed in Chicago's Pullman, South Deering, and near O'Hare.
- West Nile virus typically peaks in late August to early September.
- Preventing mosquito bites is the primary method to avoid infection.

The Chicago Department of Public Health has initiated measures to combat West Nile virus, focusing on mosquito control.
Insecticide spraying is currently underway in outdoor residential and recreational areas, specifically targeting the Pullman and South Deering neighborhoods, as well as the vicinity of O'Hare Airport. These spraying operations are scheduled from dusk on Wednesday and Thursday until approximately 1 a.m.
Beyond spraying, the Health Department employs mosquito traps to collect specimens for virus testing. This data helps identify high-risk areas for targeted interventions. Door hangers will be distributed to residents in affected areas.
West Nile virus is a concern, with peak infection times usually occurring in late August and early September. While most infected people show no symptoms, about 20% experience flu-like symptoms. The primary prevention method advised is avoiding mosquito bites through measures like insect repellent and eliminating standing water.