Zoetis Fluvac Innovator 6 – Equine Vaccine for Encephalomyelitis, Influenza, Rhinopneumonitis & Tetanus. Zoetis Fluvac Innovator 6 is a killed-virus combination vaccine designed for healthy horses six months of age and older. Ideal for individual or barn-wide programs, it provides broad antigen coverage across core and seasonal exposures in a single- or multi-dose format.