Outbreaks | Equine Disease Communication Center

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.

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Equine Herpesvirus- Neurologic

Burlington County, NJ

Outbreak Identifier: 7401

Type: EHV-1

Alert ID: 4953

April 16, 2026

Confirmed Case(s) - Official Quarantine

Source: New Jersey Department of Agriculture

Number Confirmed: 1;
Number Exposed: 26;

Horse 1:
Age: 17; Gender: Gelding; Breed: Warmblood (WB); Onset of Clinical Signs: 4/1/2026; Horse Status: Affected And Alive;

Comments: The New Jersey Department of Agriculture has quarantined a property in Burlington County after one horse developed the highly infectious equine herpes myeloencephalopathy (EHM). The horse, a 17-year-old warmblood gelding, developed acute clinical signs on April 01, 2026, and is currently undergoing hospitalization for care. The twenty-six (26) remaining horses on the premises are under quarantine and being monitored for sickness. No recent horse movement has occurred by this herd, making the risk of disease spread from this case very low. There are no known connections between this EHM case and the first Burlington County case in January 2026.;

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