For vaccination of healthy horses against equine encephalomyelitis due to Eastern, Western and Venezuelan viruses, equine rhinopneumonitis due to type 1 and 4 viruses, equine influenza due to types A1 and A2 viruses and tetanus.
Horses, inject one 1 mL dose intramuscularly. Administer a second 1 mL dose 3 to 4 weeks later. A 1 mL booster dose should be given annually.