James Hadler, MD, MPH¹, Tai Baker, MPH, CHES², Vikki Papadouka, PhD, MPH³, Anne Marie France, PhD, Christopher M. Zimmerman, MD, MPH⁵, Kara Livingston, MPH⁶ and Jane R. Zucker, MD, MSc⁵, 1New York City Department of Health and Mental Hygiene, New York, NY, 2Public Health Prevention Specialist - Bureau of Immunization, NYC Department of Health and Mental Hygiene, New York, NY, 3Bureau of Immunization, NYC Department of Health and Mental Hygiene, Long Island City, NY, 4Bureau of Immunization, New York City Department of Health and Mental Hygiene, New York, NY, 5Vaccine Preventable Disease Surveillance Unit, NYC Department of Health and Mental Hygiene, Bureau of Immunization, New York, NY