The Equine Disease Communication Center released the following updates Jan. 24 on the ongoing EHV-1 outbreak in the Northeast.
From Maryland Department of Agriculture:
On January 23, 2018 the Maryland Department of Agriculture's Animal Health Program confirmed that the retest for EVH-1 by nasal swab and blood, which was previously positive in a horse in Barn 20 at the Laurel Park Racetrack, is now negative for EHV-1. Since this horse is no longer considered contagious and over the last 14 days there has been no history of febrile horses with upper respiratory disease in Barn 20, the Investigational Hold Order on Barn 20 can be safely released on 1/24/2018.
From Pennsylvania Department of Agriculture:
The Pennsylvania Department of Agriculture was notified today that a standardbred horse at The Meadows Racetrack in Washington, PA had showed clinical signs consistent with EHM. The horse has tested positive for EHV-1 and is currently under medical treatment. Two barns at The Meadows are currently under quarantine due to a horse that moved earlier from the original exposed barn. This horse causing the second barn's movement restriction is not showing clinical signs. A daily monitoring period for clinical signs in the remaining exposed, asymptomatic horses is ongoing. Updates will be posted as they become available.
From the Virginia Department of Agriculture and Consumer Services:
On Thursday January 18, the State Veterinarian's Office of the Virginia Department of Agriculture and Consumer Services (VDACS) confirmed that a horse that had been exposed to another horse with Equine Herpesvirus Myeloencephalopathy (EHM) tested positive for Equine Herpesvirus-1 (EHV-1). The infected horse is on a small private sport horse farm in Albemarle County. The horse had been a patient at New Bolton Center, University of Pennsylvania School of Veterinary Medicine where it was exposed to a horse that was subsequently diagnosed with Equine Herpes Myeloencephalopathy. The Virginia horse had a fever but is not showing any other clinical signs. The farm in Albemarle County is under quarantine and all exposed horses are being monitored twice daily for fever (temperature over 101.50 F) and other clinical signs. No horses have been off the farm since this horse returned from New Bolton Center. No other horses have been exposed to this horse.
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