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EHD virus
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- 1Wisconsin EHD outbreak spreads from deer to dairy cattle▼Wisconsin EHD outbreak expands as deer deaths climb and virus detected in dairy cattle
An outbreak of epizootic hemorrhagic disease in Wisconsin is widening, with rising deaths among wild deer and the virus now detected in dairy cattle. Health and agriculture officials are monitoring the situation as the midge-borne disease, historically a threat mainly to deer, raises new concerns for the state's dairy industry.