1. Measles, Mumps, Rubella, and Herpesvirus Laboratory Branch, Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
2. Epidemiology Branch, Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
3. Global Immunization Division, Coordinating Office for Global Health, Centers for Disease Control and Prevention, Atlanta, Georgia
4. Epidemiology Branch, Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia4HIV Incidence and Case Surveillance Branch, Division of HIV/AIDS Prevention, National
5. Epidemiology Branch, Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia5Marshfield Clinic Research Foundation, Marshfield, Wisconsin
6. Office of the Director, Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia