The original item was published from 6/19/2025 3:15:06 PM to 7/20/2025 12:00:01 AM.

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Health Alerts

Posted on: June 19, 2025

[ARCHIVED] West Nile Virus Specimens Confirmed in 17 Illinois Counties

IDPH is reminding the public that along with the start of summer, mosquito season is underway in Illinois. With this comes the risk of West Nile virus, which has been confirmed from environmental samples in 17 counties around the state so far this year.

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