Neither horse was fully vaccinated against EI.
The index case had recently returned from a show in Fort Worth, Texas.
The 2-year-old Quarter Horse had recently returned from a show in Fort Worth, Texas.
Survey: Veterinarians in the United Kingdom are more likely to follow competition rather than manufacturer influenza vaccination guidelines, potentially leaving horses with vaccination gaps.
The affected filly was purchased at auction and arrived at her new home with clinical signs of the highly contagious respiratory disease.
One additional horse at the affected horse’s facility has been exposed.
The horses reside on two separate Hamilton County facilities.
The private facility where the horse resides is under voluntary quarantine.
Four horses tested positive, eight are suspected positive, and four more were potentially exposed after traveling to a New York show.
Find out how to prevent equine upper respiratory tract infections from spreading throughout your barn.
One other horse was reported as sick.
How long does it take for a horse to recover from a respiratory virus, such as equine influenza or herpesvirus (EHV)?
Ten additional horses at the Clackamas County boarding facility were exposed.
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The horse’s Whatcom County boarding facility is under voluntary quarantine.
Two additional horses are suspected to have equine influenza, and four additional horses were exposed.
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