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

Johnson County, WY

Alert ID: 1238

April 26, 2019

Source: Wyoming State Veterinarian's Office

Number Affected: 2

Number Exposed: 20

Age: 20; Gender: Gelding; Breed: Quarter Horse (QH); Onset of Clinical Signs: 4/10/2019;
Clinical Signs: Fever; Confirmation Date: 4/12/2019; Horse Status: Recovering; Vaccination Status: Vaccinated;
Notes: This is an update on the outbreak reported on On April 5, 2019. On 4/10/2019 during daily surveillance and monitoring of temperatures, a 20 year old gelding on the quarantined premises spiked a fever of 102.5 for a duration of less than 12 hours. Nasal swabs and blood were submitted on 4/11 with positive PCR results on blood only for wild type EHV-1. The horse had no other clinical signs of disease. The horse was isolated and the quarantine on the facility extended.

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