MCHENRY COUNTY, Ill. — Health officials in McHenry County say they have identified a mosquito batch that tested positive for West Nile Virus (WNV) this week. According to officials from ...

Milwaukee County mosquitoes have tested positive for West Nile virus, the first positive samples since surveillance began in early July. The Milwaukee Health Department, North Shore Health ...

West Nile Virus has been detected in Crawford County. The positive test came from a sample pool of mosquitoes collected Aug. 17 by the Galion City Health Department. The infected mosquitoes ...