Equine Herpesvirus-1 Transmission Risk After Quarantine

A barn was released from an EHV-1 quarantine, but is the risk for disease transmission gone? A veterinarian weighs in.

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Equine Herpesvirus-1 Transmission Risk After Quarantine
Horses should be quarantined for 10 days after their last fever. | Photo: iStock

Q.Veterinarians recently diagnosed a case of equine herpesvirus-1 (EHV-1) at a local barn. The farm was quarantined for a period of time after the diagnosis, but it’s now reopened and many people in our area go there to school their horses. One of my horse’s pasturemates is headed there this weekend where she might make contact with a horse that traveled to the quarantined farm during the incubation period. The pasturemate was vaccinated earlier this year, but I’m not sure if she got a six-month rhino booster. Furthermore, her owner won’t be riding her at the show, and I’m not sure how well her new rider will follow biosecurity protocols.

What I can do to keep my horse safe? My horse is up-to-date on her vaccinations but is due for a flu/rhino booster

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Written by:

Wendy Krebs, DVM, is a partner at Bend Equine Medical Center in Bend, Oregon. She grew up in western Oregon where she participated first in 4-H and later in eventing. She graduated from Oregon State University College of Veterinary Medicine in 2002 and performed a yearlong equine internship, followed by a four-year American College of Veterinary Surgeons Equine Surgery residency. Her practice interests include surgery and performance horse care, as well as comprehensive preventive care. She lives on a small working ranch in Tumalo with her husband, two young children, and a bevy of animals, including nine horses. She enjoys riding her Oldenburg mare, Aria, emergency schedule permitting.

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