Vaccination save lives and are available for sevveral diseases.Rabies is passed mostly througt the saliva of carnivores and bats.It is inevitably fatal once symptoms have appeared.Because of its deadly consequence, state (U.S.A)laws mandate that all dogs must be vaccinatied.The initial rabies vaccination should be given at around three to four mons of age ,again one year from the first vaccination, and then every three years.