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Disease Alerts

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.


    

Equine Influenza
Pierce County, WA
Outbreak Identifier: 4533
Alert ID: 1901
November 23, 2020
Confirmed Case(s): Voluntary Quarantine

Washington State Department of Agriculture

Number Confirmed: 2;
Number Suspected: 2;
Number Exposed: 5;
Facility Type: Boarding Facility;
Notes: A boarding facility in Pierce County is under a voluntary after two horses has tested positive for equine influenza. The owner and private vet are currently monitoring the situation. For more information about Equine Influenza go to https://aaep.org/sites/default/files/Documents/Outside%20Linked%20Documents/DiseaseFactsheet_EquineInfluenza_FINAL-Cobranded.pdf;

Pigeon Fever
Pierce County, WA
Outbreak Identifier: 4530
Alert ID: 1900
November 20, 2020
Confirmed Case(s): No Quarantine

Washington State Department of Agriculture

Number Confirmed: 1;
Facility Type: Private Facility;
Notes: A horse at a private facility in Pierce County has tested positive for Pigeon Fever. For more information about Pigeon Fever go to https://aaep.org/sites/default/files/Documents/PIGEON%20FEVER_Finals.pdf;

West Nile Virus
Solano County, CA
Outbreak Identifier: 4532
Alert ID: 1899
November 19, 2020
Confirmed Case(s): No Quarantine

California Department of Food and Agriculture

Number Confirmed: 1;
Facility Type: Private Facility;
Age: 11; Gender: Mare; Breed: Quarter Horse (QH); Onset of Clinical Signs: 10/16/2020;
Clinical Signs: Mild Weakness in hind end; Confirmation Date: 10/23/2020; Horse Status: Affected And Alive; Vaccination Status: Unvaccinated;
Notes: For more information on WNV go to https://equinediseasecc.org/Content/ContentDocs/DiseaseFactsheet_WNV%20Cobranded.pdf;

Equine Herpesvirus- Neurologic
Los Angeles County, CA
Outbreak Identifier: 4531
Alert ID: 1898
November 19, 2020
Confirmed case(s): Official Quarantine

California Department of Food and Agriculture

Number Confirmed: 1;
Number Exposed: 66;
Facility Type: Boarding Facility;
Age: 14; Gender: Gelding; Breed: American Saddlebred; Onset of Clinical Signs: 11/13/2020;
Clinical Signs: Afebrile, Urine Dribbling, Unable to Evacuate bladder; Confirmation Date: 11/18/2020; Horse Status: Affected And Alive; Vaccination Status: Vaccinated;
Notes: Facility quarantine only. For more information about EHM go to https://aaep.org/sites/default/files/Documents/Outside%20Linked%20Documents/DiseaseFactsheet-EHM_Update%20Cobranded%20.pdf

Equine Herpesvirus- Neurologic
Oakland County, MI
Outbreak Identifier: 4528
Alert ID: 1897
November 19, 2020
Confirmed case(s): Official Quarantine

Michigan Department of Agriculture and Rural Development

Number Confirmed: 1;
Age: 18; Gender: Gelding; Breed: Thoroughbred (TB); Onset of Clinical Signs: 11/15/2020;
Clinical Signs: Hind limb ataxia, Urine Retention; Confirmation Date: 11/18/2020; Horse Status: Affected And Alive; Vaccination Status: Vaccinated;
Notes: For more information about EHM go to https://aaep.org/sites/default/files/Documents/Outside%20Linked%20Documents/DiseaseFactsheet-EHM_Update%20Cobranded%20.pdf;

Strangles
Mecosta and Newaygo County, MI
Alert ID: 1896
November 19, 2020
Confirmed Case(s): Voluntary Quarantine

Michigan Department of Agriculture and Rural Development

Mecosta County
Number Confirmed:
1;
Number Suspected: 5;
Number Exposed: 37;
Age: 10; Gender: Mare; Breed: Appaloosa; Onset of Clinical Signs: 11/6/2020;
Clinical Signs: Fever, Nasal Discharge; Horse Status: Recovering; Vaccination Status: Unvaccinated;
Notes: For more information about Strangles go to https://aaep.org/sites/default/files/Documents/Outside%20Linked%20Documents/DiseaseFactsheet-Strep_equi_final%20Cobranded_0.pdf;

 

Newaygo County
Number Confirmed:
1;
Number Suspected: 1;
Number Exposed: 1;
Age: 12; Gender: Gelding; Breed: Tennessee Walking Horse; Onset of Clinical Signs: 10/25/2020;
Clinical Signs: Enlarged submandibular lymph nodes; Confirmation Date: Not Reported; Horse Status: Recovering; Vaccination Status: Unvaccinated;
Notes: For more information about Strangles go to https://aaep.org/sites/default/files/Documents/Outside%20Linked%20Documents/DiseaseFactsheet-Strep_equi_final%20Cobranded_0.pdf;

Strangles
Clackamas County, OR
Outbreak Identifier: 4529
Alert ID: 1895
November 19, 2020
Confirmed Case(s): Voluntary Quarantine

Attending Veterinarian

Number Confirmed: 1;
Number Exposed: 5;
Age: 5; Gender: Mare; Breed: Paint; Onset of Clinical Signs: 11/9/2020;
Clinical Signs: Nasal Discharge; Confirmation Date: 11/10/2020; Horse Status: Recovering; Vaccination Status: Undervaccinated;
Notes: A facility in Clackamas County is under a voluntary quarantine after a horse has tested positive for Strangles. The horse had nasal discharge, but is showing no other signs of illness. No other horses reported to have any clinical signs to date. For more information about Strangles go to https://aaep.org/sites/default/files/Documents/Outside%20Linked%20Documents/DiseaseFactsheet-Strep_equi_final%20Cobranded_0.pdf
;

Eastern Equine Encephalitis
Aiken County, SC
Outbreak Identifier: 4525
Alert ID: 1894
November 18, 2020
Confirmed Case(s): No Quarantine

Clemson Livestock Poultry Health

Number Confirmed: 1;
Age: 1; Gender: Mare; Breed: Thoroughbred (TB);
Horse Status: Euthanized; Vaccination Status: Status Unknown;
Notes: This is the 15th case of EEE in South Carolina in 2020. For more information about EEE go to https://aaep.org/sites/default/files/Documents/Outside%20Linked%20Documents/DiseaseFactsheet_EEE%20Cobranded.pdf;

Pigeon Fever
Stevens County, WA
Outbreak Identifier: 4524
Alert ID: 1893
November 17, 2020
Confirmed Case(s): No Quarantine

Washington State Department of Agriculture

Number Confirmed: 1;
Facility Type: Farm
Notes: A horse on a farm in Stevens County has tested positive for Pigeon Fever For more information about Pigeon Fever go to https://aaep.org/sites/default/files/Documents/PIGEON%20FEVER_Finals.pdf;.

Equine Infectious Anemia
Denton and Harris County, TX
Alert ID: 1892
November 16, 2020
Confirmed case(s): Official Quarantine

Texas Animal Health Commission

Denton County
Number Confirmed: 1;
Breed: Quarter Horse (QH);

Horse Status: Euthanized

 

Harris County
Number Confirmed: 1;
Breed: Quarter Horse
Horse Status: Affected and Alive
Notes: All premises are quarantined and will be released when TAHC's requirements are met. TAHC staff are working closely with the owners and local veterinarians to monitor potentially exposed horses and implement biosecurity measures. For more information about EIA go to https://aaep.org/sites/default/files/Documents/Outside%20Linked%20Documents/DiseaseFactsheet_EIA%20Cobranded.pdf;;