Update on Routine Childhood and Adolescent Immunizations.

Recommendations for routine vaccinations in children and adolescents have changed multiple times in recent years, based on findings in clinical trials, licensure of new vaccines, and evidence of waning immunity. Despite the overwhelming success of vaccinations, vaccine delay and refusal are leading to pockets of vaccine-preventable diseases. Schedules for diphtheria and tetanus toxoids, and acellular pertussis (DTaP); hepatitis A and B; Haemophilus influenzae type b (Hib); inactivated poliovirus; varicella; and measles, mumps, and rubella are unchanged.

Update on immunizations in children and adolescents.

Over the past few years, there have been many changes to the recommendations for children and adolescents by the Advisory Committee on Immunization Practices. These include dividing the immunization schedule into two parts (i.e.