Vetera 6 XP for vaccination of healthy horses 4 months of age or older, including pregnant mares, as an aid in the prevention of diseases caused by Eastern, Western, and Venezuelan Encephalomyelitis, tetanus; and as an aid in reduction of respiratory diseases caused by Equine Herpesvirus types 1 and 4 (EHV-1 and EHV-4); and as an aid in the reduction of respiratory disease and shedding caused by A2 Equine Influenza virus. Product contains Kentucky Lineage (KY/95), Florida sublineage clade 1 (OH/03), and Florida sublineage clade 2 (RI/07) equine influenza strains. Efficacy (DOI) has been demonstrated for at least 6 months against OH/03. Contains relevant influenza viruses, including Clade 1 and Clade 2 strains Protection against both EIV and EHV Dual phase system delivers both rapid and long-lasting immunity Safe, high-quality vaccines 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.