Rosanna Setse, MD, MPH, PhD, Assessment Branch, Immunization Services Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA, Helen Ding, MD, MSPH, Assessment Branch, Immunization Service Division, NCIRD, Chenega Government Consulting LLC, Atlanta, GA, Gary Euler, DrPH, MPH, Immunization Services Division- National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA and James Singleton, MS, NCIRD, CDC, Atlanta, GA