title: Contemporary vaccine challenges: improving global health one shot at a time.
abstract: Vaccines have proved to be one of the most powerful and effective ways of reducing disease. However, if we are to maximize their impact on global health, then we need to develop new vaccines for additional diseases as well as to improve their supply and delivery, particularly in developing countries.
authors.affiliation: Emory University, School of Medicine, Department of Infectious Diseases, Atlanta, GA, USA. worenst@emory.edu.
authors.forename: Walter A
authors.initials: WA
authors.lastname: Orenstein
authors.affiliation: Emory University, School of Medicine, Department of Infectious Diseases, Atlanta, GA, USA.
authors.forename: Katherine
authors.initials: K
authors.lastname: Seib
authors.affiliation: Gavi, the Vaccine Alliance, Geneva, Switzerland.
authors.forename: Duncan
authors.initials: D
authors.lastname: Graham-Rowe
authors.affiliation: Gavi, the Vaccine Alliance, Geneva, Switzerland.
authors.forename: Seth
authors.initials: S
authors.lastname: Berkley
mesh_terms: D006801:Humans; D038622:Internationality; D014612:Vaccines / Q000008:administration & dosage*
chemical_list: D014612:Vaccines