FLUVAC INNOVATOR 4 Encephalomyelitis-Influenza Vaccine for Eastern & Western, Killed Virus. FLUVAC INNOVATOR vaccines deliver demonstrated protection against circulating contemporary equine influenza viruses (EIV). FLUVAC INNOVATOR vaccines aid in the prevention of equine influenza due to type A2 viruses; encephalomyelitis due to Eastern, and Western viruses; and tetanus. Product Highlights: FLUVAC INNOVATOR is the only vaccine with EIV strain KY '97 that has demonstrated protection against heterologous challenge with EIV strain OH '03FLUVAC INNOVATOR is the only EIV vaccine shown to help protect against clinical signs for seven months against a heterologous, dual-strain challengeOnly INNOVATOR vaccines are adjuvanted with MetaStim for improved immune response | Zoetis Fluvac Innovator 4 Way Horse Vaccine | Size Single Dose