An individual from southern Illinois was hospitalized due to complications from West Nile virus, the Illinois Department of Public Health reported June 24. That case marked the state’s first human case in 2025 and represented the earliest onset of the disease in Illinois since 2016.

Health officials are concerned about West Nile virus. Mosquitoes in Joliet and Chicago tested positive. The Illinois Department of Public Health urges precautions. Symptoms include fever and body aches.

These bloodsuckers benefit from warmer and wetter conditions. Health officials issue warning after batch of mosquitoes test positive for potentially fatal virus: 'Start taking precautions' first appeared on The Cool Down.

West Nile virus has been confirmed in environmental samples from 17 counties across Illinois since the beginning of the year, according to the state Department of Public Health.No human cases have ...

Doctors urged to look for West Nile virus symptoms in patients near Philadelphia after a positive case was detected in the city.