Infant Immunization Week reminds us how important your child's vaccinations are.National Infant Immunization Week celebrates the successes of immunization programs around the country and highlights the importance of vaccines. What's the biggest thing to know about immunizations? They are safe, and they work. In fact, serious side effects are no more common than those from other types of medications. Mark Sawyer, MD, is discusses the importance of following the schedule recommended by the American Academy of Pediatrics (AAP) when it comes to your child's immunizations. Remember, vaccines prevent diseases and save lives.