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

Palm Beach County, FL

Outbreak Identifier: 5422

Alert ID: 2807

November 18, 2022

Confirmed Case(s) - Official Quarantine

Source: Florida Department Agriculture and Consumer Services

Number Confirmed: 1
Number Exposed: 16
Facility Type: Training Facility
Age: Yearling; Gender: Mare; Breed: Standardbred; Onset of Clinical Signs: 11/7/2022
Clinical Signs: Ataxia; Confirmation Date: 11/17/2022; Horse Status: Quarantined; Vaccination Status: Status Unknown
Comments: This is the second case of EHM for Florida in 2022. The positive mare displayed signs of ataxia 10 days prior and was isolated on 11/17/2022 after results confirmed EHV-4 infection. 16 horses were exposed and placed under quarantine, none of which have displayed clinical signs. There are no pending traces from the reported case. For more information, go to: EHM factsheet.

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