The Minnesota Board of Animal Health is reporting the first confirmed case of West Nile Virus in a horse so far this year.

The first cases in the USA of infection with the mosquito vector-borne West Nile virus (WNV) - an enveloped, single-stranded RNA - occurred in 1999 in New York. Since then, it has moved westward ...

West Nile virus has been detected in mosquitoes in Blaine, Dawson, Prairie and Wibaux counties, according to the state health department. Six mosquito pools across those counties have tested positive.

In a news release, the Floyd County Health Department said on Monday that it found mosquito samples that tested positive for the virus during the weeks of July 6, Aug. 2 and Aug. 12. No human ...