Severe CNS disease in horses and man. Western Equine Encephalitis . Severe disease in horses. Milder disease in man. Central Europe, East Russia.
Goats milk seems to be infectious.
There is usually a considerable mortality in these haemorrhagic fever infections. Mild and subclinical cases also do occur, but are less easily recognised. A rare disease, but the most common viral haemorrhagic fever in South Africa. Most frequent in Kimberley area, but antibodies are widespread in cattle herds all over South Africa. Mosquito control is important.