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Outbreak Alert: March 28, 2023 – Equine Infectious Anemia in Los Angeles County, CA

Equine Herpesvirus- Neurologic

Source: California Department of Food and Agriculture Number Confirmed: 2Number Exposed: 10Number Euthanized: 2 Horse 1: Age: 4Gender: GeldingBreed: Quarter Horse (QH)Usage: RacingHorse Status: Euthanized;  Horse 2: Age: 8Gender: GeldingBreed: Quarter Horse (QH)Usage: RacingConfirmation Date: 3/20/2024Horse Status: Euthanized Comments: A 4–year–old Quarter Horse gelding and an 8–year–old Quarter Horse gelding in Los Angeles County were confirmed positive for Equine Infectious Anemia (EIA). A confirmed EIA positive equid …

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Outbreak Alert: March 28, 2023 – Equine Infectious Anemia in Riverside County, CA

Equine Herpesvirus- Neurologic

Source: California Department of Food and Agriculture Number Confirmed: 4Number Exposed: 21Number Euthanized: 4 Horse: 1Age: 2Gender: GeldingBreed: Quarter Horse (QH)Usage: RacingConfirmation Date: 1/2/2024Horse Status: EuthanizedComments: One of the twenty-two (22) remaining exposed horses tested positive for EIA on the sixty (60) day retest. This two-year-old Quarter Horse gelding was euthanized. The remaining …

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Outbreak Alert: July 28, 2023 – Equine Infectious Anemia in Cariboo, BC

Equine Herpesvirus- Neurologic

Source: Canadian Food Inspection Agency Confirmed Case(s) – Official Quarantine Number Confirmed: 3Number Suspected: UnknownNumber Exposed: UnknownComments: On July 19, 2023, positive equine infectious anemia (EIA) results were confirmed by the Canadian Food Inspection Agency’s (CFIA) national reference laboratory for three horses located on a premises in Cariboo Subdivision C, British Columbia. The …

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Outbreak Alert: July 11, 2023 – Equine Infectious Anemia in Cariboo, BC

Equine Herpesvirus- Neurologic

Source: Canadian Food Inspection Agency Confirmed Case(s) – Official Quarantine Number Confirmed: 1Number Suspected: UnknownNumber Exposed: UnknownComments: On July 7, 2023, positive equine infectious anemia (EIA) results were confirmed by the Canadian Food Inspection Agency’s (CFIA) national reference laboratory for a horse located on a premises in Cariboo Subdivision C, British Columbia. The horse …

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Outbreak Alert: March 24, 2023 – Equine Infectious Anemia in Fresno County, CA

Equine Herpesvirus- Neurologic

Source: California Department of Food and Agriculture Number Confirmed: 1Number Exposed: 6Facility Type: Private FacilityAge: 21Gender: MareBreed: MuleUsage: RetiredClinical Signs: Asymptomatic, tested prior to interstate movement.Confirmation Date: 3/21/2023Comments: A 21-year-old mare mule in Fresno County has been confirmed positive for Equine Infectious Anemia (EIA). The mule has been quarantined on her home premises with 6 additional potentially exposed equids, 1 …

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Outbreak Alert: January 03, 2023 – Equine Infectious Anemia in Kern County, CA

Equine Herpesvirus- Neurologic

Source: California Department of Food and Agriculture Number Confirmed: 1Number Suspected: UnknownNumber Exposed: 4Facility Type: Private FacilityAge: 9Gender: StallionBreed: Quarter Horse (QH)Confirmation Date: 12/30/2022Comments: A 9–year–old Quarter Horse stallion residing in Kern County was confirmed positive for Equine Infectious Anemia (EIA). The stallion has been quarantined on the home premises with four (4) additional exposed horses on the property. …

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Outbreak Alert: October 21, 2022 – Equine Infectious Anemia in Yakima County, WA

Equine Herpesvirus- Neurologic

Source: WSDA Confirmed Case(s) – Official Quarantine Number Confirmed: 2 Number Exposed: 5 Facility Type: Private Facility Age: 7 Gender: Gelding Breed: Quarter Horse (QH) Age: 8 Gender: Gelding Breed: Quarter Horse (QH) Comments: On October 19th, two racing Quarter Horse geldings, a 7-year-old, and an 8-year-old, were confirmed positive for Equine Infectious Anemia (EIA). The two geldings reside at …

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January 22, 2021 – Equine Infectious Anemia in Clackamas, OR

Source: State Veterinarian Number Confirmed: 1; Number Exposed: 13; Confirmed Case/Official Quarantine Facility Type: Private Facility; Notes: A horse at a private facility in Clackamas County has tested positive for Equine Infectious Anemia. For more information about EIA go to: https://aaep.org/sites/default/files/Documents/Outside%20Linked%20Documents/DiseaseFactsheet_EIA%20Cobranded.pdf; All information is sourced from  http://equinediseasecc.org/alerts/outbreaks Equine Disease Communication CenterUpdates on current disease …

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