College of Veterinary Medicine
Equine herpesvirus – What to know
Equine herpesvirus (EHV) is a family of 9 viruses named by numbers. EHV-1, the virus associated with the ongoing outbreak, is most commonly associated with respiratory tract infections. EHV-1 is also associated with neurologic disease and abortion. Upwards of 70% of horses are infected with EHV-1 as a youngster and carry it with them for the remainder of their lives.
The latest
Mon, Dec 01, 2025
Equine herpesvirus – What to know
Thu, Nov 20, 2025
Becoming Dr. Williams: A veterinarian’s story of survival and self-worth
In the Media
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Oklahoma Farm Report OSU's Dr. Rosslyn Biggs shares tips for preparing your cattle herd for winter
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Tulsa World Leaders mark new beginning at OSU Vet Med School
Join us in watching the 2023 CVM holiday video
The Oklahoma State University College of Veterinary Medicine educates and develops
skilled veterinarians for a lifetime of investigation, innovation, care and protection
of animal health.

About the College
The Oklahoma State University College of Veterinary Medicine educates and develops skilled veterinarians for a lifetime of investigation, innovation, care and protection of animal health.