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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 Mateo County, CA
Outbreak Identifier: 5069
Alert ID: 2408
February 05, 2022
Outbreak Update

California Department of Food and Agriculture

Number Confirmed: 10;
Number Suspected: 2;
Number Exposed: 300;
Facility Type: Boarding Facility;
Age: 25; Gender: Gelding; Breed: Appaloosa; Onset of Clinical Signs: 2/1/2022;
Clinical Signs: Fever; Confirmation Date: 2/4/2022; Horse Status: Affected And Alive;
Age: 12; Gender: Gelding; Breed: Warmblood (WB); Onset of Clinical Signs: 1/30/2022;
Clinical Signs: Fever, lethargy, sheath, limb, and throatlatch edema; Horse Status: Affected And Alive; Vaccination Status: Vaccinated;
Comments: Update 2/5/2022; Original alerts 2405 and 2406: Facility quarantine in place, additional information available here: https://www.cdfa.ca.gov/ahfss/Animal_Health/equine_herpes_virus.html;
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