tdap vaccine can prevent tetanus, diphtheria, and pertussis. Diphtheria and pertussis spread from person to person. Tetanus enters the body through cuts or wounds. It’s important to stick to the immunization schedule. sep 3, 2021 · a tetanus shot is a vaccine that protects you from getting tetanus. Tetanus, also called “lockjaw,” is a serious disease caused by bacteria called clostridium tetani. oct 19, 2022 · tetanus shots help prevent a serious bacterial infection. Learn more about the tetanus vaccine including who should get one and how long it lasts…