The New Jersey Department of Agriculture (NJDA) reported a confirmed case of neurologic equine herpesvirus (also known as equine herpesvirus myeloencephalopathy or EHM). A 30-year-old mare in Hunterdon County had onset of clinical signs on August 8 and was euthanized.
Other horses on the premises are under quarantine. Temperatures are being taken twice daily on all quarantined horses to monitor for illness. The NJDA is tracing and notifying the appropriate parties regarding recent horse movement. This is the second case of EHV-1 in New Jersey in 2020.
Read a Fact Sheet about EHM here.
Information for this report was provided by the Equine Disease Communication Center.
![[Aggregator] Downloaded image for imported item #19785](https://s3.amazonaws.com/wp-s3-equimanagement.com/wp-content/uploads/2026/05/08123200/EDCC-Unbranded-42-scaled-1-768x511.jpeg)
![[Aggregator] Downloaded image for imported item #18782](https://s3.amazonaws.com/wp-s3-equimanagement.com/wp-content/uploads/2025/11/03125751/EDCC-Unbranded-13-scaled-1-768x512.jpeg)