Equine herpes virus (EHV) is a DNA virus found in horses all around the world.

Equine herpes virus (EHV) is a DNA virus found in horses all around the world. There are different strains of equine herpes virus (EHV) with the most common being EHV-1 and EHV-4. EHV-1 causes abortion, respiratory diseases (particularly in young horses) and neurological diseases, while EHV-4 causes respiratory disease and can cause abortion in pregnant mares. Key messages • Equine herpes EHV-1 is a notifiable disease. • Abortions from equine herpes (EHV-1) infection usually occur during the...