Skip to main content
Changes to aaep.org are coming! April 8 - 19 some functions of our website including login will be unavailable while we transition to a new aaep.org. Please contact the office at (859) 233-0147 or aaepoffice@aaep.org for help with any resources you need to access during this period. We appreciate your patience!

Equine Herpesvirus (EHV)

Equine herpesviruses are very common DNA viruses in horse populations worldwide. The two most significant are EHV-1, which causes respiratory disease, abortion, and neurologic disease; and EHV-4, which primarily causes respiratory disease and only occasionally causes abortion or neurologic disease.