Illinois Reports First Human West Nile Virus Case of 2025 in Wayne County

The first human case of West Nile Virus in Illinois for 2025 has been confirmed in Wayne County, with the individual recovering at home. The virus, transmitted by infected mosquitoes, has been reported in 19 counties this year, prompting health officials to urge precautions such as avoiding peak mosquito hours, using repellents, and eliminating standing water. The Illinois Department of Public Health is funding mosquito control efforts to prevent further cases.