Vaccination is critical to maintaining your horse's health. Treating a disease is far more expensive and emotionally taxing than simply vaccinating.

Merck Animal Health is a leader in equine vaccines, with a comprehensive family of safe, effective products. Our four new West Nile virus vaccines help your veterinarian create a customized and flexible program based on your horse's individual disease risk.

Talk to your veterinarian about the new Prestige^®, Encevac^® and Equi-Nile^™ West Nile virus vaccines – the right combination of protection, safety and convenience for your horse.

We're for the horse.