The Washington State Veterinarian confirmed that two horses had tested positive for equine influenza at a premises in Spokane County, Washington, on November 15. The two horses had onset of clinical signs on November 10 that included coughing, fever and nasal discharge. The horses were a 7-year-old Thoroughbred gelding and a 5-year-old warmblood mare.
Both horses were reported to be undervaccinated.
The Equine Disease Communication Center noted that there are multiple veterinarians at the farm. The reporting veterinarian was going to talk to management and place a quarantine as there appeared to be other horses sick after a local show.
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