The Allegheny County Health Department detected West Nile Virus in more samples this week and will now treat several ...

Northern California’s first human West Nile virus case of the year has been confirmed in Butte County, according to local ...

West Nile virus activity is on the rise in some northern California counties, according to the Sacramento-Yolo Mosquito and Vector Control District. Three dead birds and 13 mosquito samples tested ...

Iowa officials have confirmed the state's first case of West Nile virus this year, prompting health warnings about mosquito activity.

BUTTE COUNTY, Calif. — Health officials in Butte County have confirmed the first human case of West Nile Virus (WNV) this ...

The Bear River Health Department has identified two human cases of the West Nile Virus (WNV). This news came just a day after the Salt Lake County Health Department announced the first human case ...

Iowa officials confirmed the state's first case of West Nile virus this year in a middle-aged adult from northern Iowa, as the Polk County Health Department issued warnings about increased mosquito ...