Outbreaks | Equine Disease Communication Center

Updates on current disease outbreaks are listed here as they occur and will include the date listed, disease name, location and current status. Specific premises will not be named but the general location by town, county and state will be listed. When locations, events or horses are at risk they will be listed. Updates will be posted as they are received.

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Equine Herpesvirus- Respiratory

Gooding and Gem Counties, ID

Alert ID: 816

February 07, 2018

Source: Idaho state department of agriculture

The Idaho State Department of Agriculture confirmed Equine Herpesvirus Myeloencephalitis (EHM) in a Quarter Horse mare that exhibited fever, diarrhea and ataxia at a private facility in Gooding County. The mare, of unknown vaccination status, was euthanized. A second QH mare of unknown age in Gem County experienced an abortion. Real time PCR of fetal tissue samples confirmed EHV-1 wild strain infection. This mare was current on vaccinations including EHV-1. Both premises are under quarantine and all horses are being actively monitored for elevated temperatures and clinical signs. Strict biosecurity measures have been implemented at all facilities. The ongoing investigation has yet to determine an epidemiological link between any of the current Idaho cases.

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