The first human case of West Nile Virus in Michigan this year has been detected in a Livingston County resident, the state announced. The Michigan Department of Health and Human Services (MDHHS) announced the detection in a news release on Aug. 8. No information was provided on the individual who contracted the virus.

It only takes one bite from an infected mosquito to cause a severe illness. There is no vaccine or specific treatment for West Nile.

The Michigan Department of Health and Human Services confirmed the state's first West Nile virus human case in 2025.