Fluvac Innovator 4 is a vaccination for healthy horses 10 months of age or older as an aid in the prevention of equine encephalomyelitis due to Eastern and Western viruses, equine influenza due to type A2 viruses, and tetanus. Covers Eastern and Western types of Equine Encephalomyelitis Includes A2 Flu protection Contains Tetanus toxoid All vaccines are shipped Express 1-2 Days. A $29.95 flat rate fee is charged for all orders containing vaccines. Someone should be present to sign for and receive the vaccine order when it ships to you. For more shipping info click here. NOTE: This item cannot be shipped to Minnesota, Canada and P.O. Boxes. Use must be approved by your veterinarian.