Disease Alerts

Number Suspected: Unknown; 
Number Exposed: Unknown; 
Number Euthanized: 1; 
Comments: The infected horse was euthanized on 07/16/2026, but the other horses at the facility will remain under quarantine until a sixty day retest is conducted and they are found negative per WSDA and USDA program requirements.; 
Previous Alerts: 5061

Number Confirmed: 2; 
Number Suspected: Unknown; 
Number Exposed: 16; 
Number Euthanized: 2; 
Facility Type: Private Facility; 
Comments: This was an epidemiological link to an EIA infected premises in Pierce County (previous EDCC alert 5048). Eighteen (18) horses at the location were tested for EIA and Piroplasmosis by state animal health officials. Two (2) horses at the location were reported positive for EIA on 7/17/2026 from NVSL. The positive horses have been euthanized, but the quarantine will remain in place until a sixty day retest is conducted and they are found negative per WSDA and USDA program requirements.;

Number Confirmed: 1; 
Number Exposed: 4; 
Number Euthanized: 1; 
Facility Type: Private Facility; 
Comments: This quarter horse had confirmed history with unsanctioned racing. This is the first case of EIA for Florida in 2026.;

Number Confirmed: 1; 
Number Suspected: Unknown; 
Number Exposed: Unknown; 
Facility Type: Private Facility; 
Comments: A quarantine was placed on 06/29/2026. WSDA is working closely with the owner and private veterinarian to monitor and test any potentially exposed horses. The quarantine will remain in effect until WSDA's requirements are met.;

Number Confirmed: 1; 
Number Suspected: Unknown; 
Number Exposed: Unknown; 
Comments: Quarantined 5/1/26. Quarantines will not be released until TAHC’s requirements are met. TAHC staff work closely with the owners and local veterinarians to monitor potentially exposed horses and implement biosecurity measures.;

Number Confirmed: 1; 
Number Suspected: Unknown; 
Number Exposed: Unknown; 
Number Euthanized: 1; 
Comments: Quarantined 4/28/26. Quarantines will not be released until TAHC’s requirements are met. TAHC staff work closely with the owners and local veterinarians to monitor potentially exposed horses and implement biosecurity measures.;

Number Confirmed: 6; 
Number Exposed: 50; 
Number Euthanized: 6; 

Horse 1: 
Age: 4; Gender: Mare; Breed: Quarter Horse (QH); Horse Status: Euthanized; 

Horse 2: 
Age: 3; Gender: Gelding; Breed: Quarter Horse (QH); Horse Status: Euthanized; 

Horse 3: 
Age: 6; Gender: Mare; Breed: Quarter Horse (QH); Horse Status: Euthanized; 

Horse 4: 
Age: 7; Gender: Gelding; Breed: Quarter Horse (QH); Horse Status: Euthanized; 

Horse 5: 
Age: 4; Gender: Mare; Breed: Quarter Horse (QH); Horse Status: Euthanized; 

Horse 6: 
Age: 5; Gender: Gelding; Breed: Quarter Horse (QH); Horse Status: Euthanized; 

Comments: Six (6) Quarter Horses in Santa Clara County were confirmed positive for Equine Infectious Anemia (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 was witnessed by CDFA veterinarians on June 26, 2026. Fifty (50) potentially exposed horses on the home premises have initially tested negative for EIA and will remain under quarantine until their sixty (60) day retest as per CDFA and USDA program requirements. CDFA has been on site with continued monitoring of the situation. Epidemiological tracing is ongoing, but these cases are linked to recent EIA cases in California.;

Number Confirmed: 1;

Comments: A quarantine has been issued for the facility and exposed horses.

Number Confirmed: 5; 
Number Suspected: Unknown; 
Number Exposed: Unknown; 
Facility Type: Private Facility; 
Comments: 13 horses on facility. Working on epidemiology and bush track exposure. Talking to owner on plan for animals.

Number Confirmed: 16; 
Number Exposed: 11; 

Horse 1: 
Age: 3; Gender: Gelding; Breed: Quarter Horse (QH); Confirmation Date: 6/18/2026; 

Comments: One (1) additional horse on the home premises, a 3-year-old Quarter Horse gelding, tested positive for EIA on the 60-day retest. The total number of cases at this premises is now sixteen (16). The remaining eleven (11) exposed horses will remain under quarantine for another sixty (60) days until their next retest.; 
Previous Alerts: 4938