title: Breaking the "immunization cycle". Achieving and sustaining high levels of vaccine coverage will require eternal vigilance.
authors.affiliation: School of Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, USA. bill_roper@unc.edu
authors.forename: W L
authors.initials: WL
authors.lastname: Roper
mesh_terms: D003140:Communicable Disease Control / Q000458:organization & administration*; D005380:Financing, Government; D006078:Government Programs; D006801:Humans; D017589:Immunization Programs / Q000458:organization & administration*; D015969:National Academies of Science, Engineering, and Medicine, U.S., Health and Medicine Division; D012042:Registries; D014481:United States