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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West Nile Virus

Owyhee County, ID

Alert ID: 953

July 27, 2018

Source: Idaho Department of Agriculture

The Idaho Department of Agriculture has confirmed a case of West Nile Virus in a 2 year old Quarter Horse mare located at a private facility in Owyhee County. The horse showed an onset of clinical signs on July 19^th, 2018 including ataxia and incoordination. Testing was confirmed positive for WNV at the ISDA Animal Health Laboratory. The horse had been vaccinated as a filly but had not received a booster vaccination. The horse is improving with supportive care.

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