Rhinopneumonititis
•Caused by a
Equine Herpes Virus 1
•Respiratory
disease is most common
•Neurologic,
abortion, and weak foal forms
•Latent
infections in horses
–May be reactivated by
vaccination in older horses
–May precipitate neurologic
disease
•Not
recommended in older horses because most horses have been exposed to virus
•**Broodmares
should be vaccinated during pregnancy to prevent abortion