Normal Vaccines: $8,000 and last 30 days. This prevents your horse from getting most viruses.
Steel Horse Vacs: $8,000 and last 15 days. This prevents any injuries from happening on your horse.

Need a vet and no one is online? Use /va in game to set an appointment! Those who choose to wait also only pay $50 farm fee rather than $75 clinic fee.

List of current viruses and injuries:

Equine Influenza, Rhinopneumonitis/ Herpes, Potomac Horse Fever, Equine Infectious Anemia Virus, West Nile Virus, Equine Rabies, Equine Encephalomyelitis, Colic, Choke, Anaplasmosis, Bog Spavin, Condylar Fracture, Quarter Crack, Slab Fracture, Suspensory ligament fracture, Joint Effusion, and Simple Cut.