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Outbreak Alerts: April 24, 2026 Pigeon Fever in Benton County, OR

Equine Herpesvirus- Neurologic

Confirmed Case(s) – Official Quarantine Source: State Department of Agriculture Number Confirmed: 1; Number Exposed: 1; Facility Type: Private Facility; Comments: Horse imported to Oregon from California approximately 2 weeks prior to diagnosis; See past published Outbreak Alerts: https://nwhorsesource.com/category/news/alerts Equine Disease Communication CenterUpdates on current disease outbreaks are listed on our EDCC website as they occur and will … Read More

Outbreak Alerts: April 21, 2026 Strangles in Multiple Counties in WA

Equine Herpesvirus- Neurologic

Source: Asst State Veterinarian-WSDA Confirmed Case(s) – No Quarantine Snohomish County Number Confirmed: 1; Facility Type: Private Facility; Comments: Under vet care. Recovering. Grant County Number Confirmed: 1; Number Exposed: 4; Facility Type: Private Facility; Comments: Horse under vet care. Purchased another equid at the livestock market recently and brought home.; For more information about Strangles, go to https://www.equinediseasecc.org/strangles See past published Outbreak Alerts: … Read More

Outbreak Alerts: April 21, 2026 – Equine Infectious Anemia in Santa Clara County, CA

Equine Herpesvirus- Neurologic

Confirmed Case(s) – Official Quarantine Source: California Department of Food and Agriculture Number Confirmed: 1;  Horse 1: Age: 5; Gender: Gelding; Breed: Quarter Horse (QH); Confirmation Date: 4/20/2026; Horse Status: Affected And Alive;  Comments: A 5–year–old Quarter Horse gelding in Santa Clara County was confirmed positive for Equine Infectious Anemia (EIA). The gelding has been quarantined on premises with no additional exposed horses … Read More

Outbreak Alerts: April 20, 2026 – Equine Infectious Anemia in Riverside County, CA

Equine Herpesvirus- Neurologic

Quarantine Released Source: California Department of Food and Agriculture Number Confirmed: 1; Number Exposed: 35; Comments: The thirty-five (35) potentially exposed horses on this premises tested negative on the sixty (60) day retest. Quarantine on this premises has been released.; Previous Alerts: 4890   For more information about EIA go to: https://www.equinediseasecc.org/equine-infectious-anemia Equine Disease Communication CenterUpdates on current disease … Read More

Outbreak Alert – April 16, 2026 – Equine Influenza in Crook County, OR

Equine Herpesvirus- Neurologic

Confirmed Case(s) – Official Quarantine Source: State Department of Agriculture Number Confirmed: 1; Number Suspected: 3; Facility Type: Private Facility; For more information about Equine Influenza, go to https://www.equinediseasecc.org/equine-influenza See past published Outbreak Alerts: https://nwhorsesource.com/category/news/alerts Equine Disease Communication CenterUpdates on current disease outbreaks are listed on our EDCC website as they occur and will include the date … Read More

Outbreak Alerts: April 10, 2026 – Equine Infectious Anemia in Fresno County, CA

Equine Herpesvirus- Neurologic

Number Confirmed: 1; Number Exposed: 3;  Horse 1: Age: 4; Gender: Gelding; Breed: Quarter Horse (QH); Horse Status: Euthanized;  Comments: A 4–year–old Appendix Quarter Horse gelding in Fresno County was confirmed positive for Equine Infectious Anemia (EIA). The horse was euthanized on March 27, 2026, due to worsening clinical signs. Three (3) potentially exposed horses on the home premises have initially tested … Read More

Outbreak Alerts: April 10, 2026 – Equine Infectious Anemia in San Joaquin County, CA

Equine Herpesvirus- Neurologic

Confirmed Case(s) – Official Quarantine Source: California Department of Food and Agriculture Number Confirmed: 1;  Horse 1: Age: 3; Gender: Gelding; Breed: Quarter Horse (QH); Confirmation Date: 4/9/2026;  Comments: A 3–year–old Quarter Horse gelding in San Joaquin County was confirmed positive for Equine Infectious Anemia (EIA). Epidemiological tracing determined that this horse had recently trained on the same premises as … Read More

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