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

Sakastchewan, Canada

Alert ID: 942

July 13, 2018

Source: Canadian Animal Health Surveillance System

The Canadian Animal Health Surveillance System has confirmed a case of Equine Herpesvirus Myeloencephalopathy in Saskatchewan. An unvaccinated 19-year-old Quarter Horse gelding presented with hind end ataxia with no improvement on anti-inflammatory treatment. The index case tested negative on PCR but showed a high antibody titre for EHV-1/4 on ELISA. The other 6 horses on the premises tested negative and none have been moved off the premises since the diagnosis was made, however, the positive horse was present at a roping/rodeo event in Alberta just prior to diagnosis. Exact event is unknown (according to https://www.avenuecalgary.com/Things-to-Do/Small-Town-Summer-Rodeos-Alberta/, possible events include Wainwright Stampede, Guy Weadick Days (High River), and Sundre Pro Rodeo). For more information go to https://www.cahss.ca/surveillance/equine/

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