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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 Herpesvirus- Neurologic
Dickson County, TN
Outbreak Identifier: 5259
Alert ID: 2641
July 02, 2022
Confirmed Case(s) - Official Quarantine

State Department of Agriculture

Number Confirmed: 1;
Facility Type: Private Facility;
Breed: Miniature Donkey; Usage: Pet; Onset of Clinical Signs: 6/21/2022;
Clinical Signs: Nasal discharge, depression, serous ocular discharge; Horse Status: Unknown; Vaccination Status: Status Unknown;
Notes: Animal came from a market where likely numerous animals had been commingled. For more information go to EHM factsheet. 

Eastern Equine Encephalitis
Bradford County, FL
Outbreak Identifier: 5258
Alert ID: 2640
July 01, 2022
Confirmed Case(s) - No Quarantine

Florida Department Agriculture and Consumer Services

Number Confirmed: 1;
Facility Type: Farm;
Age: 1; Gender: Mare; Breed: Quarter Horse (QH); Onset of Clinical Signs: 7/22/2022;
Clinical Signs: Fever Depression Ataxia Aimless wandering Hindlimb weakness Listlessness; Confirmation Date: 6/30/2022; Horse Status: Euthanized; Vaccination Status: Status Unknown;
Notes: This is the 6th confirmed case of EEE for Florida in 2022. For more information go to the EEE factsheet.;

Equine Herpesvirus- Neurologic
Weld County
Outbreak Identifier: 5257
Alert ID: 2639
July 01, 2022
Suspected Case - No Quarantine

Colorado Department of Agriculture

Number Suspected: 1;
Facility Type: Showgrounds;
Notes: The Colorado Department of Agriculture State Veterinarian’s Office was recently notified of an equine neurologic case in Weld county. The State Veterinarian’s Office has been collaborating with the CSU Veterinary Teaching Hospital and Veterinary Diagnostic Laboratory, the Colorado Horse Park, and private practicing veterinarians involved in the case. The horse was on site for an event at the Colorado Horse Park from June 22 until June 25, 2022 before returning to its home in Weld County. Two days after returning home, the horse began displaying neurologic signs consistent with Equine Herpes Myeloencephalopathy (EHM), a disease caused by EHV-1 virus. The horse remains hospitalized at CSU VTH with continued supportive therapy. This case is clinically compatible with EHM, however current testing has not confirmed the diagnosis at this time. Because the horse was removed from the premises prior to the onset of clinical signs, the risk of exposure to horses at the horse park is low. Horse owners and attendees at the Colorado Horse Park should monitor their horses with twice daily temperatures and for EHM-compatible clinical signs. If fevers or neurologic signs are noticed, please contact your veterinarian who will consult with the State Veterinarian's Office. The Colorado Horse Park is not currently under quarantine, but will continue to work closely with event veterinarians and the State Veterinarian’s Office. The park will continue to monitor the situation and implement enhanced biosecurity practices, including the routine monitoring of twice daily temperatures. If elevated temperatures or clinical signs are noticed while on site at the Colorado Horse Park, please contact show management and the horse show veterinarian. For more information go to the EHM Factsheet.

Eastern Equine Encephalitis
Polk County, FL
Outbreak Identifier: 5256
Alert ID: 2638
July 01, 2022
Confirmed Case(s) - No Quarantine

Florida Department Agriculture and Consumer Services

Number Confirmed: 1;
Facility Type: Farm;
Age: 7; Gender: Mare; Breed: Mustang; Usage: Pleasure Riding; Onset of Clinical Signs: 6/19/2022;
Clinical Signs: Inappetence Lethargy; Confirmation Date: 6/30/2022; Horse Status: Euthanized; Vaccination Status: Undervaccinated;
Notes: This is the 5th confirmed case of EEE for Florida in 2022. For more information go to the EEE factsheet.

Strangles
Lee County, FL
Outbreak Identifier: 5255
Alert ID: 2637
July 01, 2022
Confirmed Case(s) - Official Quarantine

Florida Department Agriculture and Consumer Services

Number Confirmed: 1;
Number Exposed: 15;
Facility Type: Boarding Facility;
Age: 6; Gender: Gelding; Breed: Thoroughbred (TB); Usage: Pleasure Riding; Onset of Clinical Signs: 7/24/2022;
Clinical Signs: Underweight Mucopurulent Nasal Discharge Lethargic Fever; Confirmation Date: 6/30/2022; Horse Status: Affected And Alive; Vaccination Status: Status Unknown;
Notes: This is the 36th confirmed case of Strangles for Florida in 2022. For more information about Strangles go to: Strangles factsheet. ;

Equine Infectious Anemia
Perdue No. 346, SK
Outbreak Identifier: 5254
Alert ID: 2636
June 30, 2022
Confirmed Case(s) - Official Quarantine

Canadian Animal Health Surveillance System

Number Confirmed: 1;
Notes: On June 23, 2022, 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 Perdue No. 346, Saskatchewan. The owners requested an accredited veterinarian test the horse for EIA prior to having it bred. No clinical signs of disease were noted by the veterinarian at the time of sampling. A CFIA investigation is underway and as per program policy, movement controls have been placed on the infected horse and any on-premises contact animals. Initial reports indicate there are other equines on the affected premises. Movement controls will remain until all disease response activities have been completed, including follow-up testing and ordering the destruction of confirmed cases. Trace-out activities will require the CFIA to undertake actions at additional premises as outlined in the current policy. For more information about EIA go to: EIA factsheet. 

Equine Herpesvirus- Neurologic
Los Angeles County, CA
Outbreak Identifier: 5244
Alert ID: 2635
June 29, 2022
Quarantine Released

California Department of Food and Agriculture

Number Confirmed: 2;
Notes: No additional cases to report. The quarantine on this premises was released.;
Previous Alerts: 2623, 2620

Strangles
Santa Rosa County, FL
Outbreak Identifier: 5253
Alert ID: 2634
June 29, 2022
Confirmed Case(s) - Official Quarantine

Florida Department Agriculture and Consumer Services

Number Confirmed: 2;
Number Suspected: 1;
Number Exposed: 2;
Facility Type: Farm;
Age: 18; Gender: Stallion; Usage: Pleasure Riding; Onset of Clinical Signs: 6/21/2022;
Clinical Signs: Nasal discharge; Confirmation Date: 6/28/2022; Horse Status: Quarantined;
Age: 19; Gender: Mare; Breed: POA; Usage: Pleasure Riding; Onset of Clinical Signs: 6/21/2022;
Clinical Signs: Nasal discharge; Confirmation Date: 6/28/2022; Horse Status: Quarantined;
Notes: This is the 35th confirmed case of Strangles for Florida in 2022. For more information about Strangles go to: Strangles factsheet.;

Strangles
Levy County, FL
Outbreak Identifier: 5252
Alert ID: 2633
June 29, 2022
Confirmed Case(s) - Official Quarantine

Florida Department Agriculture and Consumer Services

Number Confirmed: 1;
Number Suspected: 1;
Number Exposed: 1;
Facility Type: Farm;
Age: 12; Gender: Gelding; Breed: Quarter Horse (QH); Usage: Pleasure Riding; Onset of Clinical Signs: 6/23/2022;
Clinical Signs: Lymphadenopathy; Confirmation Date: 6/28/2022; Horse Status: Isolated; Vaccination Status: Status Unknown;
Notes: This is the 34th confirmed case of Strangles for Florida in 2022. For more information about Strangles go to: Strangles factsheet.;

Strangles
Spokane County, WA
Outbreak Identifier: 5251
Alert ID: 2632
June 27, 2022
Confirmed Case(s) - Voluntary Quarantine

Washington State Veterinary Office

Number Confirmed: 1;
Facility Type: Boarding Facility;
Notes: A horse at a boarding facility in Spokane County has tested positive for Strangles. The facility is under a voluntary quarantine and working with private veterinary care. For more information about Strangles go to: Strangles factsheet.