Canine distemper, canine infectious hepatitis and canine parvovirus are three viral diseases of dogs which are potentially fatal. Vaccination against the diseases are mandatory. Temporary vaccinations are given from 6 - 10 weeks of age, but further injections are required. A vaccine is available against kennel cough, an upper respiratory infection of dogs. This disease is not fatal but vaccination is advisable. Consult your veterinary surgeon for advice on the proper schedule and whether any other vaccines are advisable.