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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.



San Diego County, CA
Outbreak Identifier: 6521
Alert ID: 4021
October 05, 2024
Quarantine Released

CDFA

Number Confirmed: 1; 
Number Exposed: 38; 
Comments: October 5, 2024: No additional case was confirmed during the quarantine monitoring period. The quarantine period has been fully completed and is officially released.; 
Previous Alerts: 3996

Orange County, CA
Outbreak Identifier: 6544
Alert ID: 4020
October 04, 2024
Confirmed Case(s) - Official Quarantine

California Department of Food and Agriculture

Number Confirmed: 7; 
Number Suspected: 10; 
Number Exposed: 10; 
Number Euthanized: 7; 
Comments: As of Oct. 3, Seven (7) out of the remaining nine (9) potentially exposed horses at Los Alamitos Racetrack were confirmed positive for EIA. A confirmed EIA positive equid must be euthanized or quarantined for life 200 yards away from any EIA negative equid as per USDA EIA program rules. Euthanasia was elected for these cases and witnessed on October 2nd and 3rd by CDFA veterinarians. The 3 remaining potentially exposed horses will remain under quarantine until their sixty (60) day retest samples are completed as per CDFA and USDA program requirements. Epidemiological tracing is ongoing with CDFA actively monitoring the situation. The original horse was euthanized Sept. 24.; 
 

Utah County, UT
Outbreak Identifier: 6547
Alert ID: 4019
October 04, 2024
Confirmed Case(s) - No Quarantine

Utah Department of Agriculture and Food

Number Confirmed: 1; 
Number Exposed: Unknown;

Jefferson County, NY
Outbreak Identifier: 6543
Alert ID: 4017
October 04, 2024
Confirmed Case(s) - No Quarantine

State Animal Health Official

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

Horse 1: 
Age: 3; Gender: Mare; Breed: Morgan; Onset of Clinical Signs: 9/26/2024; Clinical Signs: Horse was noted by owners to be lethargic with head hanging down. Vet came to examine and noted fever of 105.8, dull mentation, facial fasciculations, leaning against stall, ataxia.; Horse Status: Unknown; Vaccination Status: Unvaccinated;

Morgan County, TN
Outbreak Identifier: 6542
Alert ID: 4016
October 04, 2024
Confirmed Case(s) - No Quarantine

Tennessee Department of Agriculture

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

Douglas County, NE
Outbreak Identifier: 6541
Alert ID: 4015
October 04, 2024
Information Only

Nebraska Department of Agriculture

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

Nacogdoches County, TX
Outbreak Identifier: 6540
Alert ID: 4014
October 03, 2024
Confirmed Case(s) - Official Quarantine

Texas Animal Health Commission

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

Horse 1: 
Horse Status: Euthanized; 

Comments: Texas Animal Health Commission (TAHC) officials confirmed equine infectious anemia in a quarter horse on a Nacogdoches County premises. The premises has been quarantined and will not be released until TAHC’s requirements are met. TAHC staff are working closely with the owners and local veterinarians to monitor potentially exposed horses and implement biosecurity measures.;

Webb County, TX
Outbreak Identifier: 6539
Alert ID: 4013
October 03, 2024
Confirmed Case(s) - Official Quarantine

Texas Animal Health Commission

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

Horse 1: 
Horse Status: Euthanized; 

Comments: Texas Animal Health Commission (TAHC) officials confirmed equine infectious anemia in a quarter horse on a Webb County premises. The premises has been quarantined and will not be released until TAHC’s requirements are met. TAHC staff are working closely with the owners and local veterinarians to monitor potentially exposed horses and implement biosecurity measures.;

Harris County, TX
Outbreak Identifier: 6538
Alert ID: 4012
October 03, 2024
Confirmed Case(s) - Official Quarantine

Texas Animal Health Commission

Number Confirmed: 3; 
Number Suspected: Unknown; 
Number Exposed: Unknown; 

Comments: Texas Animal Health Commission (TAHC) officials confirmed equine infectious anemia in three quarter horses on a Harris County premises. The premises has been quarantined and will not be released until TAHC’s requirements are met. TAHC staff are working closely with the owners and local veterinarians to monitor potentially exposed horses and implement biosecurity measures.;

Harris County, TX
Outbreak Identifier: 6537
Alert ID: 4011
October 03, 2024
Confirmed Case(s) - Official Quarantine

Texas Animal Health Commission

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

Horse 1: 
Horse Status: Euthanized; 

Comments: Texas Animal Health Commission (TAHC) officials confirmed equine infectious anemia in a quarter horse on a Harris County premises. The premises has been quarantined and will not be released until TAHC’s requirements are met. TAHC staff are working closely with the owners and local veterinarians to monitor potentially exposed horses and implement biosecurity measures.;