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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.



Warren County, NY
Outbreak Identifier: 6649
Alert ID: 4123
November 21, 2024
Confirmed Case(s) - No Quarantine

State Animal Health Official

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

Horse 1: 
Age: 12; Breed: Quarter Horse (QH); Onset of Clinical Signs: 11/6/2024; Clinical Signs: Owner noted that the horse was not sure footed when getting shod. A week later, horse was dragging rear toes, stumbling, crossing hind limbs when turning, weak in hindend, more quiet than normal, having a decreased appetite; Horse Status: Affected And Alive;

Coal County, OK
Outbreak Identifier: 6646
Alert ID: 4119
November 19, 2024
Confirmed Case(s) - No Quarantine

State Veterinarian

Number Confirmed: 1; 
Number Exposed: Unknown; 
Number Euthanized: 1; 
Facility Type: Farm; 

Horse 1: 
Age: 7; Gender: Mare; Breed: Quarter Horse (QH); Usage: Breeding; Onset of Clinical Signs: 10/18/2024; Clinical Signs: Lateral recumbency and unable to rise, stiff in hind limbs; Confirmation Date: 11/14/2024; Horse Status: Euthanized; Vaccination Status: Unvaccinated;

Sturkie County, AR
Outbreak Identifier: 6642
Alert ID: 4115
November 17, 2024
Confirmed Case(s) - No Quarantine

Attending veterinarian

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

For more information about West Nile Virus see: https://www.equinediseasecc.org/west-nile-virus

Hickman County, TN
Outbreak Identifier: 6635
Alert ID: 4108
November 13, 2024
Confirmed Case(s) - No Quarantine

Tennessee Department of Agriculture

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

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;

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;

Nowata County, OK
Outbreak Identifier: 6624
Alert ID: 4096
November 05, 2024
Confirmed Case(s) - No Quarantine

State Veterinarian

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

Horse 1: 
Age: 6; Gender: Mare; Breed: Quarter Horse (QH); Usage: Barrel Racing; Onset of Clinical Signs: 10/21/2024; Clinical Signs: 4/6 ataxic front & rear limbs, muscle fasciculations; Confirmation Date: 10/29/2024; Horse Status: Recovered; Vaccination Status: Unvaccinated;

Marion County, FL
Outbreak Identifier: 6623
Alert ID: 4095
November 04, 2024
Confirmed Case(s) - No Quarantine

FDACS Veterinary Medical Officer

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

Horse 1: 
Age: 1; Gender: Filly; Breed: Paso Fino; Onset of Clinical Signs: 10/29/2024; Clinical Signs: Head shaking, muscle twitching, incoordination, weakness of hind limbs, inability to stand.; Confirmation Date: 11/1/2024; Horse Status: Affected And Alive; Vaccination Status: Vaccinated;

Comments: This is Florida's 9th confirmed case of 2024;

Pickens County, SC
Outbreak Identifier: 6622
Alert ID: 4094
November 04, 2024
Confirmed Case(s) - No Quarantine

Clemson Livestock Poultry Health

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

Horse 1: 
Age: 4; Gender: Gelding; Breed: Tennessee Walking Horses; Usage: Pleasure Riding; Confirmation Date: 10/30/2024; Horse Status: Euthanized; Vaccination Status: Unvaccinated;