Duramune Max Pc 10 Dose Tank Modified Live Virus and Killed Virus. Inject healthy puppies 6 weeks of age, with 1mL subcutaneously, then every 2-3 weeks until 12 weeks old. If over 12 weeks old, repeat in 2-3 weeks. Aids in the prevention of canine corona virus and canine parvovirus. Revaccinate annually. For veterinary use only.