Vaccination science, policy, and ethics will be the focus of a public symposium taking place as part of the Institute of Medicine’s 41st annual meeting. The event will feature keynote addresses by Anthony Lake, executive director, United Nations Children’s Fund, and Seth Berkley, chief executive officer, Global Alliance for Vaccines and Immunization. Sessions will explore vaccination’s history, ethical challenges, current science, and future hurdles, as well as the state of immunization practices and needs in African nations.