Disease Alerts

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.



Equine Herpesvirus- Neurologic
San Mateo County, CA
Outbreak Identifier: 5230
Alert ID: 2606
June 03, 2022
Confirmed Case(s) - Official Quarantine

CDFA

Number Confirmed: 1;
Number Suspected: 1;
Number Exposed: 300;
Facility Type: Boarding Facility;
Age: 19; Gender: Mare; Breed: Thoroughbred (TB); Onset of Clinical Signs: 5/28/2022; Clinical Signs: Fever, limb edema, ataxia, recumbency.; Confirmation Date: 6/2/2022; Horse Status: Euthanized; Vaccination Status: Vaccinated;
Notes: Additional information available at https://www.cdfa.ca.gov/ahfss/Animal_Health/equine_herpes_virus.html; For more information go to EHM factsheet.