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

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

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

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

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

George Balis of Clarke Environmental Mosquito Management said his company has significantly increased its spraying efforts in ...

Lake County intensifies mosquito control efforts to combat West Nile virus, following increased numbers of infected ...

In the more than 20 years since West Nile virus established itself in North America, local, county and state organizations have built robust systems to monitor and abate mosquitoes that carry it ...

CHICAGO — Health officials confirmed the first human case of West Nile virus in Chicago in 2022 as a male in his mid-60s who resides on the city’s Northwest Side.

CHICAGO — West Nile positive-mosquitos have been confirmed in the City of Chicago by the health department. However, there are currently zero human cases in the city and the rest of the state.

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

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