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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.



MRC Haut-Saint-François, QC
Outbreak Identifier: 6663
Alert ID: 4139
November 25, 2024
Confirmed Case(s) - Voluntary Quarantine

MAPAQ

Number Confirmed: 1; 
Number Suspected: 20; 
Number Exposed: Unknown; 
Facility Type: Stable; 

Horse 1: 
Age: 22; Gender: Mare; Onset of Clinical Signs: 11/8/2024; Confirmation Date: 11/25/2024; Horse Status: Recovering;

Northumberland County, ON
Outbreak Identifier: 6662
Alert ID: 4138
November 25, 2024
Confirmed Case(s) - Voluntary Quarantine

OMAFA

Number Confirmed: 1; 
Number Suspected: Unknown; 
Number Exposed: Unknown; 

Horse 1: 
Age: 7; Gender: Mare; Clinical Signs: This mare was bought from a sale. Approximately 5 days later it developed clinical signs and by the time is was examined by the veterinarian on Nov 20, it had profuse nasal discharge and cough. Other horses on the property have a very mild cough. Most of the horses at the facility are vaccinated for influenza and are clinically well.; Confirmation Date: 11/23/2024; Horse Status: Recovering; Vaccination Status: Status Unknown;

Comments: The facillity manager is working with their veterinarian on voluntary animal movement restrictions and biosecurity.;

Simcoe County, ON
Outbreak Identifier: 6645
Alert ID: 4118
November 18, 2024
Confirmed Case(s) - Voluntary Quarantine

OMAFA

Number Confirmed: 2; 
Number Suspected: Unknown; 
Number Exposed: Unknown; 
Facility Type: Private Facility; 

Horse 1: 
Gender: Mare; Breed: Miniature Horse; Onset of Clinical Signs: 11/4/2024; Clinical Signs: Fever, coughing and nasal discharge in a group of miniature horses. Two minis were new to the property, were housed separately for two weeks but were adjacent to the resident herd's paddock.; Horse Status: Recovering; Vaccination Status: Unvaccinated;

Comments: The farm owner has instituted voluntary animal movement restrictions and is working with their veterinarian on biosecurity measures.;

Washington County, WI
Outbreak Identifier: 6641
Alert ID: 4114
November 15, 2024
Confirmed Case(s) - Voluntary Quarantine

Wisconsin Department of Agriculture, Trade and Consumer Protection

Number Confirmed: 2; 
Number Suspected: 1; 
Number Exposed: Unknown; 
Facility Type: Boarding Facility; 

Horse 1: 
Age: Weanling; Gender: Colt; Breed: Appaloosa; Confirmation Date: 11/15/2024; 

Horse 2: 
Age: 3; Gender: Gelding; Breed: Saddlebred; Confirmation Date: 11/15/2024;

City of Ottawa, ON
Outbreak Identifier: 6634
Alert ID: 4107
November 12, 2024
Confirmed Case(s) - Voluntary Quarantine

OMAFA

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

Horse 1: 
Age: 2; Gender: Colt; Breed: Draft; Onset of Clinical Signs: 10/31/2024; Clinical Signs: This colt is one of several horses on the farm that developed a fever, cough and nasal discharge.; Confirmation Date: 11/5/2024; Horse Status: Recovering; 

Comments: The farm owner has instituted voluntary animal movement restrictions and is working with their veterinarian.;

Adams County, IN
Outbreak Identifier: 6633
Alert ID: 4106
November 08, 2024
Confirmed Case(s) - Voluntary Quarantine

Indiana State Board of Animal Health

Number Confirmed: 2; 
Number Suspected: 10; 
Number Exposed: Unknown; 

Horse 1: 
Age: 1; Gender: Mare; Breed: Belgian; Onset of Clinical Signs: 10/15/2024; Clinical Signs: Herd respiratory infection - various levels of nasal discharge, tracheal harshness, lung congestion auscultated, fevers as high as 103.6, deep coughing; Confirmation Date: 11/4/2024; Horse Status: Quarantined; Vaccination Status: Unvaccinated;

Horse 2: 
Age: 7; Gender: Mare; Breed: Belgian; Onset of Clinical Signs: 10/15/2024; Clinical Signs: Herd respiratory infection - various levels of nasal discharge, tracheal harshness, lung congestion auscultated, fevers as high as 103.6, deep coughing Deceased horse had secondary respiratory bacterial infection.; Horse Status: Deceased; Vaccination Status: Unvaccinated;

Région Gatineau, QC
Outbreak Identifier: 6632
Alert ID: 4105
November 08, 2024
Confirmed Case(s) - Voluntary Quarantine

MAPAQ

Number Confirmed: 1; 
Number Suspected: 5; 
Number Exposed: Unknown; 
Facility Type: Stable; 

Horse 1: 
Age: 3; Gender: Gelding; Onset of Clinical Signs: 11/1/2024; Clinical Signs: Nasal discharge, mild fever, cough; Confirmation Date: 11/7/2024; Horse Status: Recovering; Vaccination Status: Status Unknown;

MRC Portneuf, QC
Outbreak Identifier: 6630
Alert ID: 4103
November 07, 2024
Confirmed Case(s) - Voluntary Quarantine

MAPAQ

Number Confirmed: 1; 
Number Suspected: 4; 
Number Exposed: Unknown; 
Comments:  Also positive for Streptococcus equi ssp Zooepidemicus instead of S equi equi.;

Lanark County, ON
Outbreak Identifier: 6628
Alert ID: 4100
November 06, 2024
Confirmed Case(s) - Voluntary Quarantine

OMAFA

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

Horse 1: 
Age: 24; Gender: Gelding; Breed: Thoroughbred (TB); Onset of Clinical Signs: 10/17/2024; Clinical Signs: This gelding developed a cough and nasal discharge on October 17 . Only one other horse is on the property and he is vaccinated for influenza and not showing any signs.; Confirmation Date: 11/2/2024; Horse Status: Recovering; Vaccination Status: Undervaccinated;

Comments: The farm owner has instituted voluntary animal movement restrictions and is working with their veterinarian.;

United Counties of Leeds and Grenville, ON
Outbreak Identifier: 6627
Alert ID: 4099
November 06, 2024
Confirmed Case(s) - Voluntary Quarantine

OMAFA

Number Confirmed: 1; 
Number Suspected: 9; 
Number Exposed: 20; 
Facility Type: Private Facility; 

Horse 1: 
Age: Yearling; Gender: Colt; Breed: Warmblood (WB); Onset of Clinical Signs: 10/28/2024; Clinical Signs: This yearling developed a fever and nasal discharge around October 28. About 8 to 10 other horses are affected with fever/nasal discharge/cough. Many are under- or unvaccinated for influenza. Those horses that are vaccinated for influenza, because they leave the property, are minimally affected.; Horse Status: Recovering; Vaccination Status: Unvaccinated;

Comments: The facility is under voluntary animal movement restrictions and the owner is working with their veterinarian on biosecurity.;