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

Vanderburgh County has joined the list of local Indiana communities reporting the West Nile virus in mosquitoes.

The Salt Lake County Health Department (SLCoHD) announced the first human case of West Nile virus in the state this year.

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

The Salt Lake County Health Department says the first human case of West Nile virus has been detected in Utah for the year.

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 ...