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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
San Bernardino, CA
Outbreak Identifier: 4053
Alert ID: 1513
November 08, 2019
Confirmed Case(s) - Official Quarantine

California Department of Food and Agriculture

Number Confirmed: 1;
Number Exposed: 20;
Age: 13; Gender: Mare; Breed: Quarter Horse (QH); Onset of Clinical Signs: 10/29/2019;
Clinical Signs: Fever, Hypermetria, Neurological Signs; Confirmation Date: 11/5/2019; Horse Status: Euthanized; Vaccination Status: Vaccinated;
Notes: A 13-year-old Quarter Horse mare in San Bernardino county displaying neurologic signs and fever has been confirmed positive for Equine Herpesvirus-1. The mare was euthanized due to severity of symptoms on October 29, 2019 and was confirmed positive on necropsy on November 5, 2019. Twenty (20) exposed horses on the home premise have been quarantined with enhanced biosecurity measures including twice daily temperature monitoring. Any horse displaying clinical signs or a temperature over 101.5F shall be reported to the veterinarian for evaluation and potential nasal swab and blood sampling. The positive horse has no epidemiological links to any other EHV-1 cases in California and there has been no recent movement off of the property. For more information about EHM go to:  https://aaep.org/sites/default/files/Documents/DiseaseFactsheetEHM.pdf

 
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