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.



Strangles
Ottawa County, MI
Outbreak Identifier: 5487
Alert ID: 2882
January 27, 2023
Confirmed Case(s) - Voluntary Quarantine

Michigan Department of Agriculture and Rural Development

Number Confirmed: 1; 
Number Suspected: 2; 
Age: 22; Gender: Gelding; Breed: Arabian; Onset of Clinical Signs: 11/25/2022;
Clinical Signs: Nasal discharge, ruptured abscess; Confirmation Date: 1/25/2023; Horse Status: Recovering; Vaccination Status: Unvaccinated;
Comments: A horse in Ottawa County has tested positive for Strangles. For more information go to: https://www.equinediseasecc.org/strangles

Strangles
Palm Beach County, FL
Outbreak Identifier: 5486
Alert ID: 2881
January 26, 2023
Confirmed Case(s) - Official Quarantine

Florida Department Agriculture and Consumer Services

Number Confirmed: 1; 
Number Exposed: 14; 
Age: 11; Gender: Mare; Onset of Clinical Signs: 1/20/2023;
Clinical Signs: Fever, Stridor, Guttural Pouch, Empyema; Confirmation Date: 1/23/2023; Horse Status: Affected And Alive; 
Comments: This is the 3rd confirmed case of Strangles for Florida in 2023. For more information go to: https://www.equinediseasecc.org/strangles

Equine Herpesvirus- Neurologic
Kentucky, United States
Outbreak Identifier: 5485
Alert ID: 2880
January 26, 2023
Information Only

Kentucky Department of Agriculture

Facility Type: Racetrack; 
Comments: Movement of horses from Gulfstream to Kentucky Tracks: Horses moving from Gulfstream racetrack (or having recently been on the grounds) can be allowed entry if the horse meets the published requirements for entry in addition to the modifications listed below: Prior to a horse destined to a Kentucky track/training facility departing, the horse’s trainer or veterinarian is to contact the equine medical director, or his designated person, and provide required information on each horse that is seeking approval to move to the track. Approval of a designated horse to enter the Kentucky destination track by that track’s equine medical director is based on the condition that the horse is to be temperature monitored and recorded twice daily for seven (7) days post arrival with the temperature logs posted on the stall. Any elevated fever or other sign or suspicion of illness shall immediately be reported to the equine medical director. The horse is to travel on a Health Certificate showing examination and issuance of the certificate performed the day of departure or during the 12hours immediately preceding the departure. The certificate shall have the EHV vaccination recorded on it as well as the date the equine medical director approved the move and the estimated time of departure and KY arrival. These requirements are being adjusted in consultation with the track’s equine medical directors and are subject to change without any advanced notice being provided should the disease event at Gulfstream Park change.;

Equine Herpesvirus- Neurologic
Broward County, FL
Outbreak Identifier: 5483
Alert ID: 2878
January 25, 2023
Outbreak Update

Florida Department Agriculture and Consumer Services

Number Confirmed: 1; 
Number Exposed: 188;

Facility: Racetrack 
Comments: The index horses was euthanized on 1/22/2023 due to progressing symptoms and poor quality of life. An official quarantine was placed on barn 21 housing 174 exposed horses. A minimum 21 day countdown beginning on 1/21/2023 has been set, a logged twice daily temperature check has been implemented, along with biosecurity measures including footbaths and PPE. Gulfstream Park has instituted security around the barn with limited access and erected a fenced perimeter around the barn. The 2023 Pegasus World Cup will continue as scheduled, none of the exposed horses will be participating in the event. Horses that previously left the facility during the previous 14 days were identified, owners/trainers were informed and advised to isolate and conduct twice daily temperature checks. All states with traces have been contacted.; 
Previous Alerts: 2875

Strangles
Hillsborough County, FL
Outbreak Identifier: 5480
Alert ID: 2877
January 25, 2023
Quarantine Released

Florida Department Agriculture and Consumer Services

Number Suspected: 1; 
Number Exposed: 67; 
Comments: Suspected case tested negative on PCR for S. equi, quarantine has been lifted.; 
Previous Alerts: 2872

Eastern Equine Encephalitis
Berkeley County, SC
Outbreak Identifier: 5484
Alert ID: 2876
January 24, 2023
Confirmed Case(s) - No Quarantine

Clemson Livestock Poultry Health

Number Confirmed: 1; 
Age: Yearling; Gender: Colt; Breed: Quarter Horse (QH); 
Horse Status: Deceased; Vaccination Status: Status Unknown;
Comments: This is the first case of EEE in South Carolina for 2023. For more information go to: https://www.equinediseasecc.org/eastern-equine-encephalitis

Equine Herpesvirus- Neurologic
Broward County, FL
Outbreak Identifier: 5483
Alert ID: 2875
January 23, 2023
Confirmed Case(s) - Official Quarantine

Florida Department Agriculture and Consumer Services

Number Confirmed: 1; 
Number Exposed: 174; 
Facility Type: Racetrack; 
Age: 5; Gender: Stallion; Onset of Clinical Signs: 1/21/2023;
Clinical Signs: No tail tone, Recumbent; Confirmation Date: 1/22/2023; Horse Status: Euthanized; 
Comments: This is the 1st confirmed case of Equine Herpes Myeloencephalopathy for Florida in 2023. For more information go to: https://www.equinediseasecc.org/equine-herpesvirus

West Nile Virus
Hernando County, FL
Outbreak Identifier: 5482
Alert ID: 2874
January 23, 2023
Confirmed Case(s) - No Quarantine

Florida Department Agriculture and Consumer Services

Number Confirmed: 1; 
Number Exposed: Unknown; 
Age: 26; Gender: Gelding; Breed: Quarter Horse (QH); Onset of Clinical Signs: 1/6/2023;
Clinical Signs: Listlessness, Fever, Inappetence; Confirmation Date: 1/20/2023; Horse Status: Affected And Alive; Vaccination Status: Unvaccinated;
Comments: This is the 1st confirmed case of West Nile Virus for Florida in 2023. For more information go to: https://www.equinediseasecc.org/west-nile-virus

Equine Herpesvirus- Neurologic
Roanoke County, VA
Outbreak Identifier: 5481
Alert ID: 2873
January 20, 2023
Confirmed Case(s) - Official Quarantine

State Department of Agriculture

Number Confirmed:
Number Suspected:
Number Exposed: 28 
Facility Type: Stable
Comments: Three horses at a stable in Roanoke County have been confirmed positive for EHM. Two additional cases are suspected. No horses have traveled from the facility in the last six weeks. For more information go to: https://www.equinediseasecc.org/equine-herpesvirus

Strangles
Hillsborough County, FL
Outbreak Identifier: 5480
Alert ID: 2872
January 19, 2023
Suspected Case - Official Quarantine

Florida Department Agriculture and Consumer Services

Number Suspected: 1; 
Number Exposed: Unknown; 
Age: 6; Gender: Mare; Onset of Clinical Signs: 1/14/2023;
Clinical Signs: Mucopurulent Nasal Discharge Lymphadenopathy; Horse Status: Affected And Alive; 
Comments: This is a suspect case of Strangles for Florida. Official quarantine placed while laboratory confirmation is pending. For more information go to: https://www.equinediseasecc.org/strangles