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.



Ottawa County, MI
Outbreak Identifier: 6187
Alert ID: 3698
April 25, 2024
Confirmed Case(s) - Voluntary Quarantine

Michigan Department of Agriculture and Rural Development

Number Confirmed: 7; 
Number Suspected: Unknown; 
Number Exposed: 27; 
Comments: Outbreak was previously reported under cases 3641, 3647, 3659, & 3696. This is a new case in an 11-year-old Quarter Horse mare, bringing the total confirmed cases at the premises to seven.; 
Previous Alerts: 3696, 3659, 3647, 3641

Stark County, ND
Outbreak Identifier: 6235
Alert ID: 3697
April 24, 2024
Confirmed Case(s) - Official Quarantine

State Veterinarian

Number Confirmed: 1; 
Number Exposed: 20; 
Number Euthanized: 1; 
Facility Type: Private Facility; 

Horse 1: 
Age: 11; Gender: Gelding; Breed: Quarter Horse (QH); Usage: Pleasure Riding; Onset of Clinical Signs: 4/16/2024; Clinical Signs: Neurological symptoms, horse was down, paddling. Euthanized; Confirmation Date: 4/17/2024; Horse Status: Euthanized; Vaccination Status: Status Unknown;

Comments: There are about 20 other horses on the premise that are quarantined and monitored daily.;

Ottawa County, MI
Outbreak Identifier: 6187
Alert ID: 3696
April 24, 2024
Confirmed Case(s) - Voluntary Quarantine

Michigan Department of Agriculture and Rural Development

Number Confirmed: 6; 
Number Exposed: 28; 
Comments: Outbreak was previously reported under cases 3641, 3647, & 3659. This is a new case in a Quarter Horse gelding.; 
Previous Alerts: 3659, 3647, 3641

Centre-du-Québec, QC
Outbreak Identifier: 6234
Alert ID: 3695
April 23, 2024
Confirmed Case(s) - Voluntary Quarantine

MAPAQ

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

Horse 1: 
Age: 3; Clinical Signs: Fever, lymphadenopathy; Horse Status: Isolated; 

Comments: Horse less than 5 years. Onset of clinical signs in April.;

Clarke County, VA
Outbreak Identifier: 6233
Alert ID: 3694
April 19, 2024
Confirmed Case(s) - Official Quarantine

State Department of Agricuture

Number Confirmed: 1; 
Number Exposed: 2; 
Number Euthanized: 1; 
Facility Type: Private Facility; 

Horse 1: 
Age: 8; Gender: Mare; Breed: Quarter Horse (QH); Usage: Ranch working show; Onset of Clinical Signs: 4/17/2024; Clinical Signs: ataxia, recumbent, respiratory distress; Confirmation Date: 4/18/2024; Horse Status: Euthanized; Vaccination Status: Vaccinated;

Mauricie, QC
Outbreak Identifier: 6232
Alert ID: 3693
April 18, 2024
Confirmed Case(s) - Voluntary Quarantine

MAPAQ

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

Horse 1: 
Age: 8; Gender: Mare; Onset of Clinical Signs: 4/4/2024; Clinical Signs: Fever; Confirmation Date: 4/16/2024; Horse Status: Affected And Alive; Vaccination Status: Unvaccinated;

Comments: After purchasing;

Kent County, MI
Outbreak Identifier: 6231
Alert ID: 3692
April 18, 2024
Confirmed Case(s) - No Quarantine

Michigan Department of Agriculture and Rural Development

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

Horse 1: 
Age: 25; Gender: Gelding; Breed: Tennessee Walking Horses; Onset of Clinical Signs: 3/28/2024; Clinical Signs: Severe abscess at right throat latch; Confirmation Date: 4/3/2024; Horse Status: Euthanized; Vaccination Status: Unvaccinated;

Ingham County, MI
Outbreak Identifier: 6199
Alert ID: 3691
April 18, 2024
Confirmed Case(s) - Voluntary Quarantine

Michigan Department of Agriculture and Rural Development

Number Confirmed: 2; 
Number Exposed: 4; 

Horse 1: 
Age: Weanling; Gender: Colt; Breed: Miniature Horse; Onset of Clinical Signs: 4/8/2024; Clinical Signs: Nasal discharge, fever; Confirmation Date: 4/12/2024; Horse Status: Affected And Alive; Vaccination Status: Unvaccinated;

Comments: Another miniature horse at the property was previously confirmed positive for strangles and reported as a case under alert ID 3656. The new case reported today brings the total case count for this outbreak to two.; 
Previous Alerts: 3656

Genesee County, MI
Outbreak Identifier: 6230
Alert ID: 3690
April 18, 2024
Confirmed Case(s) - Voluntary Quarantine

Michigan Department of Agriculture and Rural Development

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

Horse 1: 
Age: 17; Gender: Gelding; Breed: Quarter Horse (QH); Onset of Clinical Signs: 4/6/2024; Clinical Signs: nasal discharge, fever, decreased appetite; Horse Status: Affected And Alive; Vaccination Status: Unvaccinated;

Prince George's County, MD
Outbreak Identifier: 6229
Alert ID: 3689
April 17, 2024
Confirmed Case(s) - Official Quarantine

Stronach Group Medical Director

Number Confirmed: 1; 
Number Suspected: 2; 

Horse 1: 
Breed: Thoroughbred (TB); Clinical Signs: One horse was identified with hind limb ataxia but no history of fever. It was positive on nasal swab but not in blood. The horse isolated with it is a pony horse who had been working with the horse but has shown no signs of disease as of April 17. Barn 33 at Laurel Park Racetrack is quarantined.;