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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.



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;

Hernando County, FL
Outbreak Identifier: 6631
Alert ID: 4104
November 08, 2024
Confirmed Case(s) - No Quarantine

FDACS Veterinary Medical Officer

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

Horse 1: 
Age: 2; Gender: Filly; Breed: Pony; Onset of Clinical Signs: 10/27/2024; Clinical Signs: Apprehensive, depression, incoordination, weakness in hind limbs, inability to stand.; Confirmation Date: 11/7/2024; Horse Status: Affected And Alive; Vaccination Status: Undervaccinated;

Comments: This is Florida's 11th confirmed case of 2024.;

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.;

Orange County, FL
Outbreak Identifier: 6263
Alert ID: 4102
November 06, 2024
Confirmed Case(s) - Official Quarantine

Animal and Plant Health Inspection Service of the United States Department of Agriculture

Number Confirmed: 49; 
Number Exposed: 68; 
Comments: For more information, please see https://www.aphis.usda.gov/livestock-poultry-disease/equine/contagious-equine-metritis
Previous Alerts: 4052, 4004, 3978, 3893, 3859, 3815, 3805, 3776, 3748, 3741, 3732

Van Buren County, MI
Outbreak Identifier: 6629
Alert ID: 4101
November 06, 2024
Confirmed Case(s) - No Quarantine

Michigan Department of Agriculture and Rural Development

Number Confirmed: 1; 
Number Exposed: Unknown; 

Horse 1: 
Age: 29; Gender: Mare; Breed: Quarter Horse (QH); Onset of Clinical Signs: 10/21/2024; Clinical Signs: hindlimb weakness/ataxia, crossing hindlimbs over each other, difficulties chewing and controlling tongue; Confirmation Date: 11/1/2024; Horse Status: Recovered; Vaccination Status: Unvaccinated;

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.;

Marion County, FL
Outbreak Identifier: 6626
Alert ID: 4098
November 06, 2024
Confirmed Case(s) - No Quarantine

FDACS Veterinary Medical Officer

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

Horse 1: 
Age: 3; Gender: Mare; Breed: Paso Fino; Onset of Clinical Signs: 10/31/2024; Clinical Signs: Apprehensive, elevated temperature, head shaking, muscle twitching, incoordination, weakness in hind limbs, inability to stand.; Confirmation Date: 11/5/2024; Horse Status: Affected And Alive; Vaccination Status: Vaccinated;

Comments: This is Florida's 10th confirmed case of 2024;

MRC Portneuf, QC
Outbreak Identifier: 6625
Alert ID: 4097
November 05, 2024
Confirmed Case(s) - Voluntary Quarantine

MAPAQ

Number Confirmed: 1; 
Number Suspected: 4; 
Number Exposed: Unknown; 
Facility Type: Stable; 

Horse 1: 
Age: 2; Gender: Gelding; Breed: Quarter Horse (QH); Onset of Clinical Signs: 10/28/2024; Clinical Signs: nasal discharge, cough and fever.; Confirmation Date: 11/4/2024; Horse Status: Recovering; Vaccination Status: Vaccinated;

Comments: Also positive for Streptococcus equi ssp equi qPCR (Strangle);