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 Infectious Anemia

Riverside and Tualre County, CA

Outbreak Identifier: 5193

Alert ID: 2573

May 05, 2022

Confirmed Case(s) - Official Quarantine

Source: California Department of Food and Agriculture

Number Confirmed: 1;
Number Exposed: 61;
Age: 3; Gender: Stallion; Breed: Quarter Horse (QH);
Confirmation Date: 5/2/2022; Horse Status: Euthanized;
Notes: On May 2, 2022, a 3-year-old Quarter Horse stallion was confirmed positive for Equine Infectious Anemia (EIA) while residing in Riverside county. The stallion originated from a premises in Tulare county and was being tested for interstate movement to enter a racetrack. The investigation lead to the quarantine and testing of twenty-seven (27) exposed horses at the Riverside county premises, and thirty-four (34) horses at the Tulare county premises. All horses on the Riverside county premises tested negative, but will remain quarantined until retested in sixty (60) days. Testing is pending for the horses on the Tulare county premises. This horse has no known direct links to the previous San Bernardino county EIA cases. CDFA staff continue the investigation to determine if any additional horses were exposed. For more information on EIA, please see the CDFA website at https://www.cdfa.ca.gov/ahfss/Animal_Health/EquineInfectiousAnemia.html;

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