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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.


    

Equine Herpesvirus- Respiratory
Larimer County, CO
Outbreak Identifier: 4650
Alert ID: 2034
April 14, 2021
Confirmed Case(s) - Official Quarantine

State Veterinary Office

Number Confirmed: 1;
Notes: A horse In Larimer County has tested positive for equine herpesvirus-respiratory. For more information about EHV-1 go to https://equinediseasecc.org/Content/ContentDocs/DiseaseFactsheet-%20EHV.pdf;

Equine Herpesvirus- Respiratory
Palm Beach County, FL
Outbreak Identifier: 4640
Alert ID: 2021
April 05, 2021
Confirmed Case(s) - Official Quarantine

Florida Department of Agriculture and Consumer Services

Number Confirmed: 1;
Number Exposed: 7;
Facility Type: Event Center;
Onset of Clinical Signs: 4/1/2021;
Clinical Signs: Fever; Confirmation Date: 4/2/2021; Horse Status: Affected And Alive; Vaccination Status: Vaccinated;
Notes: A horse has tested positive for Equine Herpesvirus-1. The horse has no known links to either of the previous Florida cases. The horse is being treated at a hospital facility but has not developed neurologic signs. All exposed horses at the Winter Equestrian Festival (Tent 17) have been quarantined. This horse was isolated as soon as it was observed to be febrile. Increased biosecurity was instituted at Tent 17 immediately after the positive test results were received on April 2nd 2021. All horsemen are encouraged to review the biosecurity information at the end of this announcement. For additional information visit //www.FDACS.gov/ai.

Equine Herpesvirus- Respiratory
Knox County, TN
Outbreak Identifier: 4618
Alert ID: 1991
March 13, 2021
Confirmed Case(s) - Official Quarantine

State Veterinarian

Number Confirmed: 1;
Number Suspected: 2;
Number Exposed: 9;
Facility Type: Veterinary Hospital;  Horse Status: Affected And Alive; Vaccination Status: Status Unknown;
Notes: A 14 day quarantine has been placed at the University of Tennessee Veterinary Teaching Hospital for the main equine barn facility and for horses in the isolation unit. For more information about EHV go to:  EHV factsheet

Equine Herpesvirus- Respiratory
Shelby County, TN
Outbreak Identifier: 4617
Alert ID: 1990
March 13, 2021
Confirmed Case(s) - Voluntary Quarantine

State Veterinarian

Number Confirmed: 1;
Number suspected; 1

Number Exposed: 100;
Facility Type: Boarding Facility;
Clinical Signs: Fever; Horse Status: Affected And Alive; Vaccination Status: Vaccinated
Notes: The diagnosis was confirmed as EHV-4 and currently the horse is normal. A second horse on the premises has a fever and is also vaccinated. The facility veterinarian is managing the situation at the facility. For more information about EHV go to:  EHV factsheet

Equine Herpesvirus- Respiratory
Chester County, PA
Outbreak Identifier: 4616
Alert ID: 1987
March 11, 2021
Confirmed Case(s) - Official Quarantine

Pennsylvania Department of Agriculture

Number Confirmed: 7;
Number Exposed: 23;
Facility Type: Boarding Facility;
Clinical Signs: Febrile; Horse Status: Affected And Alive; Vaccination Status: Status Unknown;
Notes: The Pennsylvania Department of Agriculture is posting an Order of Special Quarantine at an equine boarding facility for show horses in Chester County, PA due to the detection of EHV-1 in multiple febrile horses on the premises. Investigation is ongoing, but due to a possible connection to an EHM case NOT located at this premises, the Department is issuing an official quarantine and is working with the very proactive barn management and private practitioners to monitor the health of the horses on the premises. For more information about EHV-1 go to EHV-1 Factsheet.

 

Equine Herpesvirus- Respiratory
Kitsap County, WA
Outbreak Identifier: 4584
Alert ID: 1954
February 10, 2021
Confirmed Case(s) - Official Quarantine

State Veterinarian

Number Confirmed: 1;
Number Suspected: 1;
Number Exposed: 2;
Facility Type: Boarding Facility;
Notes: A horse at a boarding facility in Kitsap County has tested positive for EHV-1 and Equine Influenza. The positive horse had a stall mate that is quarantined with it and is being monitored. There has been no contact with other horses on the facility. ;

Equine Herpesvirus- Respiratory
Pasco County, FL
Outbreak Identifier: 4564
Alert ID: 1935
January 13, 2021
Confirmed Case(s) - No Quarantine

Attending Veterinarian

Number Confirmed: 1;
Number Exposed: 1;
Facility Type: Private Facility;
Age: 2; Gender: Gelding; Breed: Arabian;
Clinical Signs: Mild Anorexia, bilateral mucopurulent discharge, Fever; Confirmation Date: Not Reported; Horse Status: Recovering;
Notes:
The horse tested positive for EHV-4 and had no history of recent travel and no other horses on the property showing any clinical signs.;

Equine Herpesvirus- Respiratory
Plymouth County, MA
Outbreak Identifier: 4563
Alert ID: 1933
January 11, 2021
Confirmed Case(s) - No Quarantine

Massachusetts State Veterinarian

Number Confirmed: 1;
Number Exposed: 5;
Facility Type: Private Facility;
Confirmation Date: 12/31/2020; ;
Notes: A horse at a private facility in Plymouth County has tested positive for EHV-1. For more information about EHV-1 go to https://aaep.org/sites/default/files/Documents/Outside%20Linked%20Documents/DiseaseFactsheet-%20EHV%20Cobranded%20.pdf ;

Equine Herpesvirus- Respiratory
Houston County, GA
Outbreak Identifier: 4194
Alert ID: 1675
June 30, 2020
Confirmed Case(s) - Voluntary Quarantine

Attending Veterinarian

Number Confirmed: 1;
Number Exposed: 2;
Age: 3; Gender: Stallion; Breed: Quarter Horse (QH); Onset of Clinical Signs: 6/25/2020;
Clinical Signs: anorexia, Fever; Confirmation Date: 6/26/2020; Horse Status: Recovering; Vaccination Status: Vaccinated;
Notes: The horse tested positive for EHV-4. For more information go to:  https://aaep.org/sites/default/files/Documents/Outside%20Linked%20Documents/DiseaseFactsheet-%20EHV%20Cobranded%20.pdf

Equine Herpesvirus- Respiratory
Alameda County, CA
Outbreak Identifier: 4106
Alert ID: 1613
March 28, 2020
Confirmed Case(s) - Official Quarantine

California Department of Food and Agriculture

Number Confirmed: 2

Number Exposed

Age: 18; Gender: Gelding; Breed: Quarter Horse (QH); Onset of Clinical Signs: 3/25/2020;
Clinical Signs: Fever; Confirmation Date: 3/26/2020; Horse Status: Affected And Alive; Vaccination Status: Vaccinated;
Notes: The horse is febrile only and showing no neurologic signs. This is the second horse confirmed with EHV-1 at this facility.