Epizootic Hemorrhagic Disease (EHD)

Epizootic Hemorrhagic Disease (EHD) is a viral disease that affects deer, cattle and, most recently, yak. Signs of EHC include fever, loss of appetite, weakness, respiratory distress, and swelling of the tongue, and erosive lesions in the mouth. The disease cannot be transmitted by direct contact and is spread by insects, most commonly midges or gnats.


Colorado EHD Update
EHD Fact Sheet