Orin S. Levine, Thomas Cherian, Rana Hajjeh, and Maria Deloria Knoll GAVI Alliance’s PneumoADIP, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland; Hib Initiative, Division of Bacterial Diseases, National Center for Immunizations and Respiratory Diseases, Atlanta, Georgia; and Immunizations, Vaccines, and Biologics, World Health Organizatio...