The Spectra Canine 6 Vaccine for Dogs with Syringe offers 6-way protection. The canine vaccinations are designed for subcutaneous vaccination of healthy dogs 6 weeks of age or older as an aid in the prevention of disease caused by canine distemper, canine adenovirus type 2 (CAV-2), canine coronavirus, canine parainfluenza and canine parvovirus type 2b. To use the dog vaccine, simply open the syringe by twisting or tapping the cap against a hard surface to break the heat weld.