The Illinois Department of Public Health reported a dead crow found in Sterling in Whiteside County has tested positive for West Nile virus. Thirty-two birds in 18 counties now have tested positive for West Nile virus since state and local health departments began surveillance for the mosquito-borne disease on May 1. No human cases of West Nile disease have been reported.
Other positive birds have been reported in the following counties: Adams, Boone, Champaign (2), Cook (3), DuPage (2), Kane (4), Kankakee (3), Lake, Macon (2), Madison (2), McHenry (2), McLean (2), Ogle, Rock Island, Stephenson (2), Vermilion and Winnebago. In addition, mosquito pools in Cook and DuPage counties have tested positive for West Nile.