It is not uncommon for effected animals to die. Laminitis is a common secondary complication. Because of the serious nature of this disease, horses residing in areas where the disease occurs should be vaccinated. It is important to keep the animal's level of immunity high during peak insect season. See Table for Vaccination Regimens Current Recommendations .
Information is provided for educational purposes.
If you have more specific questions, we encourage you to contact your veterinarian.