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- Neurologic

Harris County, TX

Outbreak Identifier: 4087

Alert ID: 1578

February 14, 2020

Confirmed Case(s) - Official Quarantine

Source: Texas Animal Health Commission

Number Confirmed: 1;
Number Exposed: Not Reported;
Notes: The Texas Animal Health Commission (TAHC) received confirmation of Equine Herpes Myeloencephalopathy (EHM), the neurologic disease linked to Equine Herpes Virus (EHV-1), in a hunter jumper horse visiting Texas from Wyoming. The EHM positive horse traveled to Katy, Texas to participate in a hunter jumper event that began on January 29. The infected horse has not visited any other events in Texas. The infected horse was immediately isolated and quickly relocated to a Brazos County veterinary hospital for care after showing signs of ataxia and other neurologic signs consistent with EHM. Horses that were known to have come in direct contact with the infected horse were in an isolated area of the facility, and the directly exposed horses are now under quarantine and veterinary monitoring.

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