11/19/2025
EHV Outbreak Alert
• Possible exposure of EHM/EHV-1 at WPRA event in Waco, Texas that took place Nov. 5-9th
• If your horse(s) were at the event or has come into contact with any horse(s) that were at that event, you should quarantine at home for at least 14 days. Temperature should be monitored daily, with 101.5 triggering a call to your veterinarian.
EHV Transmission Facts
• Direct contact between horses
• Inhaling aerosolized particles from nasal secretions
• Contact with contaminated equipment, ie stalls, water buckets, bits.
• Humans can also act as carriers by touching infected horses and then noninfected horses.
• Horses can act as carriers and spread the virus without appearing sick.
EHV Biosecurity Facts
• Isolate horses that are sick or exposed or returning from events.
• Prevent any nose to nose touching or other direct contact.
• Do not share equipment.
• Disinfect water buckets, feed buckets, stall cleaning equipment and trailers using bleach 10% solution. DO NOT submerge water hoses in buckets and clean hose.
• Wash hands between all horses. Change clothes and sanitize between handling horses that are quarantined and any other horses on the property.
EHV Monitoring and Health
• Symptoms can include: fever, nasal discharge, cough or neurologic signs like hind leg weakness or ataxia.
• Temperatures greater than 101.5F should be reported to your veterinarian.
• Vaccination with EHV 1&4 routinely (every 6 months).
o Horses that are exposed should not be vaccinated during their quarantine.
o Vaccination may be advised by your veterinarian during an outbreak. Consult with them on type and frequency.
o There are no vaccines currently available for EHM (EHV 1 mutation). There is no consensus for whether vaccination with EHV 1&4 are recommended.
As always, please reach to Barrow Veterinary Service with any questions or concerns with travel and the health of your equine companions.