The risk for West Nile virus is high in 10 cities and towns in Massachusetts, including Boston, public health officials say.

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

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

Louisiana’s first human case of West Nile in Orleans Parish comes as mosquito activity climbs, with 10 others infected ...

West Nile Virus has shown up in nearly every area around Massachusetts this summer, with 181 mosquito samples have testing ...

Three people in Colorado have died of West Nile Virus in 2025, but officials are not yet sharing information about two.

Officials of the Boston Public Health Commission (BPHC) are urging residents to take precautions as the risk level of ...

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

Health officials confirmed New Mexico’s first human case of West Nile virus Aug. 7, saying the Valencia County adult who ...

State officials have detected West Nile Virus in Knox County mosquitoes earlier and more widely than usual this year.

Certain mosquito species found in the county, especially in the western portion near Parachute and Rifle, tested positive for ...