Last year saw 69 cases across the state, including six in Lake County, according to data from the Illinois Department of Public Health.

Health officials in Lake County, Illinois, have confirmed the county’s first human case of West Nile Virus (WNV) this year. Officials from the Lake County Health Department and Community Health Center say they have identified this year’s first human case of neuroinvasive West Nile Virus in a Lake County resident who

A batch of mosquitoes in St. Louis County tested positive for West Nile virus, the first time the disease has appeared in the area this year.