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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: September 19, 2024 – West Nile Virus – Tooele County, UT

Equine Rhinitis Virus-B

Source: Attending veterinarian Confirmed Case(s) – No Quarantine Number Confirmed: 1Number Exposed: Unknown Horse 1: Age: 8Gender: MareBreed: Quarter Horse (QH)Usage: RodeoOnset of Clinical Signs: 9/13/2024Clinical Signs: Ataxia Hyperesthesia Muscle TremorsConfirmation Date: 9/19/2024Horse Status: RecoveringVaccination Status: Unvaccinated For more information about West Nile Virus go to: WNV factsheet.  See past published Outbreak Alerts: www.coloradohorsesource.com/category/news/alerts Equine Disease Communication …

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Outbreak Alerts: September 11, 2024 – West Nile Virus – Douglas County, CO

Equine Rhinitis Virus-B

Source: State Veterinarian’s Office Confirmed Case(s) – No Quarantine Number Confirmed: 1Number Suspected: 1Number Exposed: 1Facility Type: Private Facility Horse 1: Age: 20Gender: MareBreed: Tennessee Walking HorsesOnset of Clinical Signs: 9/3/2024Clinical Signs: Weakness Ataxia Fell down one timeConfirmation Date: 9/5/2024Horse Status: Affected And AliveVaccination Status: Unvaccinated For more information about West Nile Virus go to: WNV factsheet.  …

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Outbreak Alerts: August 30, 2024 – West Nile Virus – Cooke County, TX

Equine Rhinitis Virus-B

Source: Attending Veterinarian Confirmed Case(s) – Information Only Number Confirmed: 1Number Exposed: Unknown Horse 1: Age: YearlingGender: FillyBreed: Quarter Horse (QH)Usage: ReiningOnset of Clinical Signs: 8/28/2024Clinical Signs: Hyperesthesia, muzzle tremors, mild ataxia.Confirmation Date: 8/30/2024Horse Status: Affected And AliveVaccination Status: Unvaccinated For more information about West Nile Virus go to: WNV factsheet.  See past published Outbreak Alerts: www.coloradohorsesource.com/category/news/alerts Equine …

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Outbreak Alerts: August 30, 2024 – West Nile Virus – Weld County, CO

Equine Rhinitis Virus-B

Source: State Veterinarian’s Office Confirmed Case(s) – No Quarantine Number Confirmed: 1Number Exposed: 50Facility Type: Private Facility Horse 1: Age: 8Gender: GeldingBreed: Quarter Horse (QH)Usage: RacingOnset of Clinical Signs: 8/21/2024Clinical Signs: Ataxia, FeverConfirmation Date: 8/30/2024Horse Status: Affected And AliveVaccination Status: Unvaccinated For more information about West Nile Virus go to: WNV factsheet.  See past published Outbreak Alerts: www.coloradohorsesource.com/category/news/alerts Equine …

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Outbreak Alerts: August 19, 2024 – West Nile Virus – Pueblo County, CO

Equine Rhinitis Virus-B

Source: State Veterinarian’s Office Confirmed Case(s) – No Quarantine Number Confirmed: 1Number Suspected: 1Number Exposed: UnknownNumber Euthanized: 1 Horse 1: Age: 2Gender: FillyBreed: Quarter Horse (QH)Usage: RanchOnset of Clinical Signs: 7/12/2024Clinical Signs: Ataxia Anorexia Abnormal Mentation Unable to Rise Cranial Nerve DeficitsConfirmation Date: 7/18/2024Horse Status: EuthanizedVaccination Status: Unvaccinated For more information about West Nile Virus go to: WNV factsheet.  See past published …

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Outbreak Alerts: August 15, 2024 – West Nile Virus – Weber County, UT

Equine Rhinitis Virus-B

Source: State Veterinarian Confirmed Case(s) – No Quarantine Number Confirmed: 3Number Exposed: Unknown Comments: Horses at three separate premises within the county tested positive for WNV. One has recovered, two are in critical condition. None were vaccinated. For more information about West Nile Virus go to: WNV factsheet.  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: August 09, 2024 – West Nile Virus – McCurtain County, OK

Equine Rhinitis Virus-B

Source: State Veterinarian Confirmed Case(s) – No Quarantine Number Confirmed: 1Facility Type: Farm Horse 1: Breed: unknownUsage: RanchOnset of Clinical Signs: 8/2/2024Clinical Signs: Stumbling, depressed, blindnessConfirmation Date: 8/8/2024Horse Status: RecoveringVaccination Status: Unvaccinated Comments: Horse was born and raised in Oklahoma but had been at a training facility in Texas. Horse had been back in Oklahoma for one week prior to …

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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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