California Department of Food and Agriculture
Number Confirmed: 1;
Number Exposed: 3;
Age: 1; Gender: Mare; Breed: Quarter Horse (QH);
Onset of Clinical Signs: 7/28/2020;
Clinical Signs: Fever, Bilateral Severe Pelvic Limb Rigidity; Confirmation Date: 8/3/2020;
Horse Status: Deceased; Vaccination Status: Vaccinated;
Notes: While the most common causative agent of equine herpesviral encephalomyopathy is EHV-1, EHV-4 can rarely be associated with neurologic manifestations as well as respiratory disease. As no alternative etiology could be definitively identified as the cause of the filly’s neurologic issues, this case is being classified as a suspect EHM.;
Updates on current disease outbreaks are listed on our EDCC website 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. All information is sourced from: http://equinediseasecc.org/alerts/outbreaks