title: From the Assistant Secretary for Health, US Public Health Service.
authors.affiliation: US Public Health Service.
authors.forename: J O
authors.initials: JO
authors.lastname: Mason
mesh_terms: D002648:Child; D003140:Communicable Disease Control; D014943:Global Health; D006801:Humans; D007114:Immunization; D014481:United States; D014492:United States Public Health Service; D014944:World Health Organization