Equine Herpes Myeloencephalopathy Archives

Important Equine Health Alert: EHV/EHM Information for Colorado

November 24, 2025 by Press

Dear Colorado horse community, The Colorado State Veterinarian’s Office is monitoring an outbreak of Equine Herpes Virus (EHV) / Equine Herpes Myeloencephalopathy (EHM) associated with barrel racing and rodeo-type events in Texas and Oklahoma between November 5–9. Several cases, including equine deaths, have been confirmed in those states. At this time, there …

Outbreak Alerts: July 01, 2022 – Equine Herpesvirus – Neurologic in Weld County, CO

February 7, 2024July 5, 2022 by Equine Disease Communication Center

Outbreak Identifier: 5257 Source: Colorado Department of Agriculture Suspected Case – No Quarantine Number Suspected: 1;Facility Type: Showgrounds;Notes: The Colorado Department of Agriculture State Veterinarian’s Office was recently notified of an equine neurologic case in Weld county. The State Veterinarian’s Office has been collaborating with the CSU Veterinary Teaching Hospital and Veterinary …