Local health officials say Chicago has reached a “high risk” level of the West Nile virus because mosquitoes are testing ...

Naperville city officials are urging residents to be cautious after two mosquito traps tested positive for West Nile virus.

The risk of West Nile virus in Chicago is considered “high,” as health officials say the area is experiencing “a higher ...

Chicago public health officials on Tuesday confirmed the city's first three human cases of West Nile virus in 2025.

DUPAGE COUNTY, Ill. (WLS) -- The city of Naperville is taking action after mosquitoes there tested positive for West Nile Virus. The traps were on Oleson Drive and Jackson Avenue. Crews have sprayed ...

Chicago reported three human cases of West Nile virus in the last month as city officials warn the risk of contracting the ...

Chicago reports its first three human cases of West Nile virus in 2025, with an early state case and citywide spraying ...

A West Nile virus survivor shared the story of her harrowing journey with the brain infection she first thought was a stroke.

The patients range from 40 to 80 years old and reside on the Northwest and South sides. The patients’ symptoms began in late ...

The Chicago Department of Public Health said all three patients started experiencing symptoms in late July or early August.

It is the first human case of WNV detected in Michigan this year, said the Michigan Department of Health and Human Services.