Duramune Max 5 CVK/ 4L. Canine Distemper Adenovirus Type 2 Parainfluenza Parvovirus Vaccine. Modified live and killed virus, Leptospira Bacterin.  The Puppy Shot Booster. Vaccinate healthy dogs, 1mL subcutaneously at 6 weeks old; repeat every 2-3 weeks until 12 weeks old. If over 12 weeks old; repeat in 2-3 weeks. Aids in the prevention of disease caused by canine distemper, infectious canine hepatitis,canine coronavirus, canine adenovirus type 2, canine parainfluenza, canine parvovirus, and leptospira.  Revaccinate annually. Available in trays of 25 x 1ml. For veterinary use only. Call For Volume Discount Pricing!