West Nile virus can cause fever-related illness or brain and spinal cord infections, including meningitis or encephalitis.

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

As cases of the West Nile virus continue to rise across North Dakota, state health officials are warning residents to take ...

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 ...