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CHICAGO (AP) — Efforts to fight the mosquito-borne West Nile virus in Chicago include spraying with an insecticide called Zenivex.
The Chicago Department of Public Health says the substance is approved for use by the U.S. Environmental Protection Agency. A fine spray of the insecticide can control mosquitoes in outdoor residential and recreational areas.
The city planned to use crews from a company called Vector Disease Control International overnight Wednesday in several northwest side neighborhoods. It was to be the third spraying of the season.
Two Illinois residents have died from West Nile virus this year.
Health officials recommend wearing mosquito repellent when outside between dusk and dawn. It's important to remove standing water around homes and to repair or replace broken screens on windows.