MADISON, Wis. (WMTV) - An equine virus has been reported in six Wisconsin counties, the announcement coming just days ahead of the Midwest Horse Fair. Equine Herpes Myeloencephalopthy (EHM), a ...
caused by the African Horse Sickness Virus (AHSV). This disease is transmitted primarily by biting midges and is endemic in sub-Saharan Africa, with significant outbreaks reported in other regions.