Extracted cellular antigens aid in controlling kennel cough. New process has significantly removed extraneous gram-negative cellular debris, proteinaceous material & lipopolysaccharides. Unique cellular antigen extraction process maximizes protection & minimizes local reactions. Administer 1mL subcutaneously to healthy dogs at least 8 weeks of age. For initial vaccination, a second dose is required 2-4 weeks later. Revaccinate annually with a single 1mL dose.