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Outbreak Alerts: April 17, 2025 – Equine Infectious Anemia – Douglas County, CO

Equine Rhinitis Virus-B

Source: State Veterinarian Confirmed Case(s) – Official Quarantine Number Confirmed: 1Number Suspected: 1 Number Exposed: Unknown Facility Type: Private Facility  Horse 1: Age: 14; Gender: Mare; Breed: Quarter Horse (QH); Usage: Breeding; Clinical Signs: tested due to iatrogenic exposure; Confirmation Date: 4/10/2025; Horse Status: Quarantined For more information:  https://www.equinediseasecc.org/equine-infectious-anemia See past published Outbreak Alerts: www.coloradohorsesource.com/category/news/alerts Equine Disease Communication CenterUpdates on current disease outbreaks are listed on our EDCC website as …

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Outbreak Alerts: April 17, 2025 – Equine Infectious Anemia – Jefferson County, CO

Equine Rhinitis Virus-B

Source: State Veterinarian Confirmed Case(s) – Official Quarantine Number Confirmed: 1Number Exposed: UnknownNumber Euthanized: 1Facility Type: Boarding Facility Horse 1: Age: 8; Gender: Gelding; Breed: Quarter Horse (QH); Usage: Roping; Clinical Signs: None; Confirmation Date: 4/15/2025; Horse Status: Euthanized For more information:  https://www.equinediseasecc.org/equine-infectious-anemia See past published Outbreak Alerts: www.coloradohorsesource.com/category/news/alerts Equine Disease Communication CenterUpdates on current disease outbreaks are listed on our EDCC website as they occur and will …

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Multiple Outbreak Alerts in TEXAS: February 26, 2025 – Equine Infectious Anemia

Equine Rhinitis Virus-B

Source: Texas Animal Health Commission General notes: Quarantines will not be released until TAHC’s requirements are met. TAHC staff work closely with the owners and local veterinarians to monitor potentially exposed horses and implement biosecurity measures   Burleson County, TX Number Confirmed: 2Number Suspected: UnknownNumber Exposed: UnknownNumber Euthanized: 2 Johnson County, TX Number Confirmed: 1Number …

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Outbreak Alert: October 25, 2024 – Equine Infectious Anemia – Medina County, TX

Equine Rhinitis Virus-B

Source: Texas Animal Health Commission Number Confirmed: 1Number Suspected: UnknownNumber Exposed: Unknown Horse 1: Horse Status: Euthanized Comments: Texas Animal Health Commission (TAHC) officials confirmed equine infectious anemia in a quarter horse on a Medina County premises. The premises has been quarantined and will not be released until TAHC’s requirements are met. TAHC staff are …

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Outbreak Alert: October 10, 2024 – Equine Infectious Anemia – Moore County, TX

Equine Rhinitis Virus-B

Source: Texas Animal Health Commission Number Confirmed: 1Number Suspected: UnknownNumber Exposed: Unknown Horse 1: Horse Status: Euthanized Comments: Texas Animal Health Commission (TAHC) officials confirmed equine infectious anemia in a quarter horses on a Moore County premises. The premises has been quarantined and will not be released until TAHC’s requirements are met. TAHC staff are working …

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Outbreak UPDATE: October 09, 2024 – Equine Infectious Anemia – Multiple States

Equine Rhinitis Virus-B

Source: USDA-APHIS-Veterinary Services Number Confirmed: 16Facility Type: RacetracksComments: Multi-State Equine Infectious Anemia Outbreak in Quarter Horse Racehorses  On September 20th and 24th, the National Veterinary Services Laboratories (NVSL) confirmed equine infectious anemia (EIA)-positive results in 4 Quarter Horse racehorses that were part of a group recently moved from racing in New Mexico …

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Outbreak Alerts: October 03, 2024 – Equine Infectious Anemia – Nacogdoches County, Texas

Equine Rhinitis Virus-B

Source: Texas Animal Health Commission Confirmed Case(s) – Official Quarantine Number Confirmed: 1Number Suspected: Unknown Horse 1: Horse Status: EuthanizedComments: Texas Animal Health Commission (TAHC) officials confirmed equine infectious anemia in a quarter horse on a Nacogdoches County premises. The premises has been quarantined and will not be released until TAHC’s requirements are …

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Outbreak Alerts: September 20, 2024 – Equine Infectious Anemia – Dora Ana County, NM

Equine Rhinitis Virus-B

Source: State Veterinarian Confirmed Case(s) – Ongoing Investigation Number Confirmed: 5Number Exposed: 3Number Euthanized: 5Comments: Follow-up on initial investigation found one additional horse under same owner/trainer that was positive. All 5 horses have been euthanized. Remaining horses will be re-sampled in 60 days. Previous Alert: https://www.coloradohorsesource.com/outbreak-alerts-august-09-2024-equine-infectious-anemia-dona-ana-county-nm For more information:  https://www.equinediseasecc.org/equine-infectious-anemia See past published Outbreak …

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Outbreak Alerts: August 09, 2024 – Equine Infectious Anemia – Dona Ana County, NM

Equine Rhinitis Virus-B

Source: State Veterinarian Confirmed Case(s) – Official Quarantine Number Confirmed: 4Number Exposed: Unknown Horse 1: Age: 2Gender: FillyBreed: Quarter Horse (QH)Usage: RacingClinical Signs: NoneConfirmation Date: 8/7/2024Horse Status: Quarantined Horse 2: Age: 9Gender: GeldingBreed: Quarter Horse (QH)Usage: RacingClinical Signs: NoneConfirmation Date: 8/7/2024Horse Status: Quarantined Horse 3: Age: 8Gender: GeldingBreed: Quarter Horse (QH)Usage: RacingClinical Signs: NoneConfirmation Date: 8/7/2024Horse Status: Quarantined Horse 4: Age: 2Gender: FillyBreed: Quarter Horse (QH)Usage: RacingClinical Signs: NoneConfirmation Date: 8/7/2024Horse Status: Quarantined Comments: Horses are currently quarantined and testing of additional horses is being …

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Outbreak Alerts: July 05, 2024 – Equine Infectious Anemia – Colfax County, Nebraska

Equine Rhinitis Virus-B

Source: Nebraska Department of Agriculture Confirmed Case(s) – Official Quarantine Number Confirmed: 1Comments: The Nebraska Department of Agriculture (NDA) has confirmed a case of equine infectious anemia (EIA) in a horse in Colfax County. This is the first confirmed case of EIA in Nebraska since 2013. The horses on the infected …

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