Felicia Lewis, MD¹, Aaron Mettey, MPH², Greta Anschuetz, MPH³, Cherie Walker-Baban, BS³, Lenore Asbel, MD³ and Melinda Salmon, BA³, 1Field Epidemiology Unit, Division of STD Prevention, Centers for Disease Control and Prevention, Philadelphia, PA, 2Office of Planning and Program Analysis, New York City Department of Health and Mental Hygiene, Long Island City, NY, 3STD Control Program, Philadelphia Department of Public Health, Philadelphia, PA