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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.


    

Strangles
Palm Beach County, FL
Outbreak Identifier: 5061
Alert ID: 2400
January 25, 2022
Confirmed Case(s) - Official Quarantine

Florida Department of Agriculture and Consumer Services

Number Confirmed: 2;
Number Exposed: 1;
Facility Type: Private Facility;
Notes: This is the 5th confirmed premises with strangles for Florida in 2022. For more information about Strangles go to: Strangles factsheet. 

Strangles
Logan County, OH
Outbreak Identifier: 5060
Alert ID: 2399
January 25, 2022
Information Only

State Dept of Agriculture

Number Confirmed: 1;
Number Suspected: 2;
Number Exposed: 10;
Facility Type: Private Facility;
Notes: A horse on at a private facility in Logan County has tested positive for Strangles. For more information about Strangles go to: Strangles factsheet. 

Equine Herpesvirus- Neurologic
Park County, WY
Outbreak Identifier: 5059
Alert ID: 2398
January 24, 2022
Confirmed Case(s) - Official Quarantine

Wyoming State Veterinarian

Number Confirmed: 1;
Number Suspected: 5;
Number Exposed: 42;
Facility Type: Private Facility;
Restrictions: A horse on a premises in Park County has tested positive for EHV-1. The premises is quarantined for 10 days following removal (isolation) of any affected horse(s). For more information about EHV-1 go to the EHV factsheet.;

Equine Herpesvirus Myeloencephalopathy
Alameda County, CA
Outbreak Identifier: 5056
Alert ID: 2397
January 21, 2022
Confirmed Case(s) - Official Quarantine

California Department of Food and Agriculture

Number Confirmed: 1;
Number Exposed: 27;
Facility Type: Racetrack;
Age: 8; Gender: Mare; Breed: Thoroughbred (TB); Usage: Racing; Onset of Clinical Signs: 1/12/2022;
Clinical Signs: Ataxia, proprioceptive deficits, leaning; Confirmation Date: 1/19/2022;
Notes: An 8-yr-old Thoroughbred mare in Alameda County displaying neurological signs on January 12th was confirmed positive for EHV-1 on January 19th. The mare resided at a racetrack and was transported to her home barn in Sonoma County and isolated on January 12th following the onset of clinical signs. The mare has been quarantined at her home premises and will be released following 2 (two) consecutive negative tests seven days apart. Fourteen horses from the index mare’s training barn have been isolated and quarantined, and have been tested and confirmed negative for EHV-1, and an additional thirteen horses from the adjoining training barn have also been quarantined, with no additional clinical signs or cases detected at the racetrack. CDFA was onsite to conduct a site assessment and implement enhanced biosecurity measures including twice daily temperature monitoring. Site assessment at the racetrack confirmed no known exposure beyond the barn identified, and there has been no evidence of ongoing disease transmission. Additional updates and information can be found here: https://www.cdfa.ca.gov/ahfss/Animal_Health/equine_herpes_virus.html?fbclid=IwAR3CTi8XVw2WTpDjXWKBNIfhgeydiqD6GtIDeeWEZXR5oPteOG1UiM9NZU0

Strangles
Dodge County,
Outbreak Identifier: 5055
Alert ID: 2396
January 21, 2022
Confirmed Case(s) - Voluntary Quarantine

Wisconsin Department of Agriculture, Trade and Consumer Protection

Number Confirmed: 1;
Notes: The horses at the premises are under veterinary care and under voluntary quarantine. The affected equines are recovering with treatment.;

Equine Herpesvirus- Neurologic
Saint-Lazare region, QC
Outbreak Identifier: 5054
Alert ID: 2395
January 20, 2022
Confirmed Case(s) - Official Quarantine

Canadian Animal Health Surveillance System

Number Confirmed: 2;
Facility Type: Stable;
Clinical Signs: Neurologic signs; Horse Status: One Euthanized; Vaccination Status: Vaccinated;
Notes: Cases of the nervous form of equine herpesvirus type 1 have been reported in a stable in the Saint-Lazare region of Montérégie. Two horses developed neurological signs. One of them had severe disease and had to be euthanized, although he was vaccinated against equine herpesvirus. The recent entry of a new horse into the stable without prior quarantine is one of the identified risk factors responsible for this outbreak. This outbreak does not seem to be linked to cases in the Montérégie and Laurentides regions. For more information about EHM go to: EHM Factsheet;

Equine Infectious Anemia
Maricopa County, AZ
Outbreak Identifier: 5052
Alert ID: 2394
January 20, 2022
Confirmed Case(s) - Official Quarantine

Arizona Department of Agriculture

Number Confirmed: 1;
Number Exposed: 46;
Facility Type: Private Facility;
Notes: For more information about Equine Infectious Anemia go to: EIA factsheet. 
 

Strangles
Los Angeles County, CA
Outbreak Identifier: 5051
Alert ID: 2393
January 20, 2022
Confirmed Case(s) - Voluntary Quarantine

Attending veterinarian

Number Confirmed: 1;
Facility Type: Stable;
Age: 8; Gender: Mare; Breed: Quarter Horse (QH); Usage: New horse, unused; Onset of Clinical Signs: 1/13/2022;
Clinical Signs: Fever, purulent nasal discharge, submandibular lymph node abscesses; Confirmation Date: 1/19/2022; Horse Status: Affected And Alive; Vaccination Status: Status Unknown;
Notes: For more information about Strangles go to: Strangles factsheet. 
 

Equine Infectious Anemia
San Bernardino County, CA
Outbreak Identifier: 5050
Alert ID: 2392
January 19, 2022
Confirmed Case(s) - Official Quarantine

California Department of Food and Agriculture

Number Confirmed: 7;
Number Exposed: 19;
Facility Type: Training Facility 
Notes: On January 3, 2022, a 5-year-old Quarter Horse gelding with a racing history was confirmed positive for Equine Infectious Anemia (EIA) while residing in Arizona. The gelding originated from a premises in San Bernardino county. The investigation lead to the quarantine and testing of nineteen (19) exposed horses, and six (6) of those were confirmed positive for EIA on January 13, 2022. The remaining horses on the San Bernardino county premises will remain quarantined until retested in sixty (60) days. CDFA staff continue the investigation to determine if any additional horses were exposed. For more information on EIA, please see the CDFA website at https://www.cdfa.ca.gov/ahfss/Animal_Health/EquineInfectiousAnemia.html

Rabies
McClain County, OK
Outbreak Identifier: 5049
Alert ID: 2391
January 18, 2022
Confirmed Case(s) - No Quarantine

State Veterinarian Office

Number Confirmed: 1;
Number Exposed: 5;
Facility Type: Farm;
Age: 2; Gender: Mare; Breed: Grade; Usage: Ranch Horse; Onset of Clinical Signs: 1/8/2022;
Clinical Signs: Presented with hind limb ataxia that progressed to sternal recumbency and then lateral recumbency with progression of CNS signs over a 4 day period.; Confirmation Date: 1/17/2022; Horse Status: Euthanized; Vaccination Status: Unvaccinated;
Notes: For more information about Rabies go to: Rabies factsheet.