“While I have not yet placed any restrictions on the movement of animals, I strongly suggest that horse owners isolate animals that attended the Western National Championships in Ogden, Utah,” said State Veterinarian Leonard Eldridge. “For the protection of other horses, these owners are advised to keep their animals home for a couple of weeks.”
The disease poses no threat to people, but symptoms in horses can include fever, sneezing, slobbering and other mild symptoms. Serious cases of the disease are rare, but can include staggering, hind-end paralysis and even death of the horse.
A horse that attended the Ogden show was treated at the Washington State University Veterinary Teaching Hospital in Pullman and was confirmed over the weekend to be positive for EHV-1. Blood samples from several other Washington horses that attended the Utah event are currently being tested at WSU’s Washington Animal Disease Diagnostic Laboratory.
The disease is spread from horse to horse through direct contact, on feed, tack and equipment, or on the clothes and hands of horse owners. While there is no human public health threat associated with the disease, horse owners should carefully wash their hands and equipment to prevent the spread of the virus.
The time of exposure to illness of EHV-1 is typically two to 14 days. Horse owners attending the Ogden show should consider limiting the movement of their horses and isolate them from other horses to prevent further spread of the virus.
Horses that show any symptoms of EHV-1 should be seen by a veterinarian. Positive cases of EHV-1 must be reported to the State Veterinarian’s Office at (360) 902-1881.
More information on the virus can be found at http://www.aaep.org/ehv.htm.
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