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2021 EDCC Annual Report

Below are the 2021 EDCC case reports. Totals in 2021 (January 2021 – December 2021) 445 alerts posted reporting on 579 horses Anthrax: 1 case (1 in TX) Eastern Equine Encephalitis: 61 cases (3 in AR, 19 in FL, 9 in MI, 1 in MN, 2 in NJ, 5 in NY, 3...

Arbovirus Season is Upon Us: Vaccinate Your Horses

Arbovirus Season is Upon Us: Vaccinate Your Horses The dog days of summer are here and that also means arbovirus season is in full swing. Peak arbovirus season can span from July through October. Equine encephalitis viruses-Eastern, Western, and...

Barrel Futurities of America Suspends Oklahoma Event Due to EHM Positive

Barrel Futurities of America Suspends Oklahoma Event Due to EHM Positives Two positive cases of Equine Herpesvirus Myeloencephalopathy have caused the cancellation of the remainder of the Barrel Futurities of America (BFA) World Championship. The...

EDCC: Nine Years of Service to the Horse Industry

EDCC: Nine Years of Service to the Horse Industry The Equine Disease Communication Center (EDCC) is celebrating nine years of protecting horses and the horse industry from the threat of infectious disease in North America. The EDCC communication...

Grayson-Jockey Club Research Foundation calls for Research into Equine Herpes Virus Vaccine

Source: Grayson-Jockey Club Research Foundation | 01/12/2022 04:00:00 PM Grayson-Jockey Club Research Foundation announced today that it has issued a formal call for research applications focused on the development of a nucleic acid-based vaccine...

Important Changes to EIA Testing

Source: USDA APHIS Veterinary Services | 02/27/2020 10:36:00 AM USDA APHIS Veterinary Services implemented new requirements for approved laboratories conducting Equine Infectious Anemia (EIA) Testing. Changes affecting the submitting veterinarian...

Testimonials

Dr. Nat White Director of Equine Disease Communication Center Dr. Tracy Turner President-Elect of the American Association of Equine Practitioners Dr. Lisa Kostandoff Equine Franchise Manager, Global Strategic Marketing Unit of Boehringer...

Vaccinations Important for West Nile Virus and Eastern Equine Encephalitis

Vaccinations Important for West Nile Virus and Eastern Equine Encephalitis By Leslie Barlow, EDCC Communications Manager The warm, late summer temperatures have brought more than lazy days outside. Late summer has welcomed more mosquitoes and...

Vaccination Time: Spring Check-Ups for Horses

Vaccination Time: Spring Check-Ups for Horses By Leslie Barlow, EDCC Communications Manager When the clock springs forward to signal a change in the seasons, your horse’s vaccinations records need an update to help protect against potentially fatal...

Understanding Reportable Diseases

Understanding Reportable Diseases By Leslie Barlow, EDCC Communications Manager For a horse owner, receiving a positive test result from your veterinarian for an equine infectious disease can be scary and overwhelming. What is the disease? How did...


Disease Alerts

Alert ID: 4848

Source: Wisconsin Department of Agriculture, Trade and Consumer Protection | 4/2/2026

Number Confirmed: 1; Number Suspected: Unknown; Number Exposed: Unknown; Horse 1: Age: 6; Gender: Gelding; Breed: Rocky Mountain Horse; Confirmation Date: 3/20/2026; Vaccination Status: Unvaccinated;...

Alert ID: 4847

Source: State Department of Agriculture | 4/2/2026

Number Confirmed: 1; Number Suspected: Unknown; Number Exposed: 36; Facility Type: Boarding Facility;

Alert ID: 4846

Source: OMAFA | 4/2/2026

Number Confirmed: 1; Number Exposed: 3; Facility Type: Boarding Facility; Horse 1: Age: 14; Gender: Mare; Breed: Thoroughbred (TB); Onset of Clinical Signs: 3/31/2026; Clinical Signs: This mare was found down in the field on Mar 31. She was assisted...

Alert ID: 4845

Source: Attending Veterinarian | 4/1/2026

Number Confirmed: 1; Facility Type: Private Facility; Horse 1: Age: 3; Gender: Gelding; Breed: Appaloosa; Usage: Horse Show; Onset of Clinical Signs: 2/12/2026; Clinical Signs: Mild nasal discharge 3 weeks ago accompanied by fever. Clinical signs...

Alert ID: 4844

Source: State Veterinarian | 4/1/2026

Number Confirmed: 1; Number Suspected: 1; Number Exposed: 40; Number Euthanized: 1; Facility Type: Boarding Facility; Comments: A veterinarian contacted my office to report a geriatric horse with neurological signs at a 40+ horse boarding facility....

Alert ID: 4843

Source: Attending Veterinarian | 4/1/2026

Number Confirmed: 2; Number Suspected: 1; Number Exposed: 4; Facility Type: Private Facility; Horse 1: Onset of Clinical Signs: 3/23/2026; Clinical Signs: fever, cough, nasal discharge; Confirmation Date: 3/31/2026; Horse Status: Quarantined;...

Alert ID: 4842

Source: State Department of Agriculture | 3/31/2026

Number Confirmed: 1; Number Suspected: 2; Number Exposed: 40; Facility Type: Training Facility;

Alert ID: 4841

Source: Michigan Department of Agriculture | 3/27/2026

Number Confirmed: 3; Number Suspected: 1; Number Exposed: 3; Horse 1: Age: 15; Gender: Mare; Breed: Paint; Onset of Clinical Signs: 1/10/2026; Clinical Signs: Fever, nasal discharge; Confirmation Date: 3/26/2026; Horse Status: Recovered; Vaccination...

Alert ID: 4840

Source: Attending Veterinarian | 3/27/2026

Number Confirmed: 1; Number Suspected: Unknown; Number Exposed: Unknown; Facility Type: Boarding Facility;

Alert ID: 4839

Source: Wisconsin Department of Agriculture, Trade and Consumer Protection | 3/25/2026

Number Confirmed: 1; Number Exposed: 4; Facility Type: Private Facility; Horse 1: Age: 15; Gender: Mare; Breed: Quarter Horse (QH); Usage: Rescue; Onset of Clinical Signs: 3/6/2026; Clinical Signs: Bilateral nasal discharge. Exposed to horses with...