2011 Incident Information
Several horses recently competing in the National Cutting Horse Association Western National Championship in Ogden, Utah, held April 29-May 8, have been diagnosed with EHV-1. Reports of affected horses have been received from multiple States and Western Canada, with several fatalities.
At this time, APHIS understands the virus to be present in horses that attended the cutting horse event and horses that came into contact with those that attended the event. APHIS will continue to monitor the situation and work with the States to make decisions as needed to control the spread of the virus.
To read more go to http://www.aphis.usda.gov/vs/nahss/equine/ehv/
—From USDA news release