Deadly deer virus found in cattle


My Columbia Basin (OR) 

October 1, 2019


OLYMPIA, Washington – The Washington State Department of Agriculture said four cows in Franklin and Walla Walla counties were diagnosed this week with epizootic hemorrhagic disease, a potentially deadly virus that primarily affects wild deer, but occasionally crosses over to cattle.


The WSDA advises cattle owners to be on the lookout for EHD symptoms such as excessive drooling, lethargy, difficulty walking, or oral and nasal lesions with ulceration, which are similar to the much more devastating foot-and-mouth disease. Fever and anorexia due to the oral erosions were seen in the recently diagnosed cattle. Supportive care is the only treatment for infected cows.


Differentiating EHD from other animal diseases requires laboratory testing so cattle owners should contact veterinarians if the symptoms are observed.


“Although EHD is seldom prevalent in cattle, we must show an abundance of caution and investigate each case due to the similarity of symptoms this disease has with the highly contagious and economically disastrous foot-and-mouth disease,” Washington State Veterinarian Dr. Brian Joseph said.


EHD is not a threat to human health.


The disease usually occurs in cattle where environmental conditions support...