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National Equine Health Stakeholder Call-October 2026
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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.



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Pigeon Fever
Crook County, OR
Outbreak Identifier: 7829
Alert ID: 5404
October 31, 2026
Suspected Case - Official Quarantine

State Department of Agriculture

Number Suspected: 1; 
Number Exposed: 4;
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Pigeon Fever
Jefferson County, OR
Outbreak Identifier: 7828
Alert ID: 5403
October 30, 2026
Suspected Case - Official Quarantine

State Department of Agriculture

Number Suspected: 1; 
Number Exposed: 3;
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Pigeon Fever
Deschutes County, OR
Outbreak Identifier: 7827
Alert ID: 5402
October 30, 2026
Suspected Case - Official Quarantine

State Department of Agriculture

Number Suspected: 1; 
Number Exposed: 9;
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Pigeon Fever
Grant County, OR
Outbreak Identifier: 7826
Alert ID: 5401
October 30, 2026
Suspected Case - Official Quarantine

State Department of Agriculture

Number Suspected: 4; 
Number Exposed: 10;
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Pigeon Fever
Deschutes County, OR
Outbreak Identifier: 7825
Alert ID: 5400
October 30, 2026
Suspected Case - Voluntary Quarantine

State Department of Agriculture

Number Suspected: 1; 
Number Exposed: 2;
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Pigeon Fever
Jackson County, OR
Outbreak Identifier: 7824
Alert ID: 5399
October 30, 2026
Suspected Case - Official Quarantine

State Department of Agriculture

Number Suspected: 1; 
Number Exposed: 20;
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Equine Influenza
Jackson County, OR
Outbreak Identifier: 7823
Alert ID: 5398
October 28, 2026
Confirmed Case(s) - Official Quarantine

State Department of Agriculture

Number Confirmed: 1; 
Number Exposed: 4; 
Comments: Confirmed 10/22;
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Strangles
District of Algoma, ON
Outbreak Identifier: 7822
Alert ID: 5397
October 28, 2026
Confirmed Case(s) - Voluntary Quarantine

Ontario Ministry of Agriculture, Food, and Agribusiness

Number Confirmed: 1; 
Number Suspected: Unknown; 
Number Exposed: 6; 
Facility Type: Boarding Facility; 

Horse 1: 
Age: 5; Gender: Gelding; Breed: Quarter Horse (QH); Onset of Clinical Signs: 10/20/2026; Clinical Signs: Draining submandibular abscess.; Confirmation Date: 10/22/2026; Vaccination Status: Unvaccinated;

Comments: The facility manager, working with their veterinarian, has implemented voluntary animal movement restrictions and biosecurity protocols. To see past and present Strangles cases in Ontario go to: https://www.oahn.ca/resources/ontario-equine-disease-alerts/ and enter the disease surveillance portal.;;
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Strangles
Wellington County, ON
Outbreak Identifier: 7821
Alert ID: 5396
October 28, 2026
Confirmed Case(s) - Voluntary Quarantine

Ontario Ministry of Agriculture, Food, and Agribusiness

Number Confirmed: 1; 
Number Exposed: 9; 
Facility Type: Private Facility; 

Horse 1: 
Age: Suckling Foal; Gender: Colt; Onset of Clinical Signs: 10/20/2026; Clinical Signs: Enlarged painful lymph nodes. The colt attended a fair 10 days prior to showing clinical signs . The colt may have come in contact with S. equi there or at the home facility afterwards. The colt tested positive by PCR on nasal swab.; Confirmation Date: 10/22/2026; Horse Status: Recovering; Vaccination Status: Unvaccinated;

Comments: The facility owner, working with their veterinarian, has implemented voluntary animal movement restrictions and biosecurity protocols. To see past and present Strangles cases in Ontario go to: https://www.oahn.ca/resources/ontario-equine-disease-alerts/ and enter the disease surveillance portal.;
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Strangles
Brant County, ON
Outbreak Identifier: 7820
Alert ID: 5395
October 28, 2026
Confirmed Case(s) - Voluntary Quarantine

Ontario Ministry of Agriculture, Food, and Agribusiness

Number Confirmed: 1; 
Number Suspected: Unknown; 
Number Exposed: Unknown; 
Facility Type: Boarding Facility; 

Horse 1: 
Age: 7; Gender: Mare; Breed: Pony; Onset of Clinical Signs: 10/22/2026; Clinical Signs: This mare developed dysphagia (difficulty swallowing), had a fever and swollen lymph nodes of the head. A nasal swab was positive for S. equi by PCR.; Confirmation Date: 10/24/2026; Horse Status: Recovering; Vaccination Status: Unvaccinated;

Comments: The facility owner, working with their veterinarian, has implemented voluntary animal movement restrictions and biosecurity protocols. To see past and present Strangles cases in Ontario go to: https://www.oahn.ca/resources/ontario-equine-disease-alerts/ and enter the disease surveillance portal.;;
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