Immunization also known as shots help save lives. Getting your child immunized is something any parent can do to protect their children from dangerous diseases. Immunizations have been so successful at preventing disease that many parents have never seen most of the illnesses and complications that vaccines prevent. But these diseases still exist. Adults, as well as travelers to specific world regions, need to be immunized. Vaccines are given to stimulate the body's immune response, in turn producing antibodies that will protect against certain illnesses. Getting vaccinated according to an immunization schedule is a great way to protect yourself from potentially serious infections.