A crow from Walnut Creek has tested positive for West Nile virus (WNV) in Contra Costa County, confirmed the Contra Costa Mosquito and Vector Control District on Friday. This is the ...

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.

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

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

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 ...

Just one day after Salt Lake County reported Utah's first human case of West Nile virus, Cache County announced they have 2 confirmed cases within the county.