Many children dread the poke of a shot — or the doctor's office experience altogether — which can make well-child visits stressful on you too. And while it's hard to see your little one frightened, getting your baby vaccinated is one of the most important things you can do to ensure his health and well-being. Vaccines protect your child from diseases like measles, polio, and whooping cough that can make young kids extremely sick. Trusted SourceCenters for Disease Control and PreventionR...