11/20/2025
ā ļø EHV-1 OUTBREAK UPDATE ā ļø
There is an active Equine Herpes Virus (EHV-1) outbreak in barrel horses. Initial cases were linked to the WPRA event in Waco, TX (Nov 5ā9), and more cases appeared at the BFA event at Lazy E, which has now been cancelled.
š Confirmed cases so far: Texas, Oklahoma, and now Louisiana.
If you attended any of these events:
⢠Quarantine your horses at home for at least 2 weeks
⢠Check temperatures twice daily (fever = 101.5°F or higher)
EHV-1 symptoms can include: respiratory disease, abortions, and neurologic signs. Contact your veterinarian if your horse develops a fever or any other symptoms.
Vaccination Info:
⢠If your horse was vaccinated for EHV-1/4 within the last 90 days, no action is needed right now.
⢠If you plan to travel and your horse is over 90 days from its last EHV-1/4 vaccine, call us to schedule a booster.
Additional Recommendations:
⢠All barrel horses that traveled in the past 2 weeks should quarantine and monitor temps, even if they didnāt attend the known TX/OK/LA eventsāhorses from the WPRA event may have traveled to other locations.
⢠No cases reported in other disciplines yet, but owners of any recently traveled horses should check temperatures and limit horse movement for now.
For more information on EHV-1, please refer to this link: https://equinediseasecc.org/news/article/Equine-Herpesvirus-Myeloencephalopathy-(EHM)-Outbreak
Stay safe and monitor your horses closely. šš“
The Equine Disease Communication Center is monitoring an outbreak of EHM that originated at the Womenās Professional Rodeo Association (WPRA) World Finals and Elite Barrel Race event Nov 5-9. To date, officially confirmed cases have been reported in the following states-