title: [The challenge of vaccination].
authors.forename: Daniel
authors.initials: D
authors.lastname: Koch
mesh_terms: D000328:Adult; D002648:Child; D005060:Europe; D006801:Humans; D007252:Influenza Vaccines / Q000008:administration & dosage; D007251:Influenza, Human / Q000517:prevention & control; D008457:Measles / Q000517:prevention & control; D008458:Measles Vaccine / Q000008:administration & dosage; D011634:Public Health; D013557:Switzerland; D014611:Vaccination / Q000191:economics / Q000639:trends*; D014944:World Health Organization
chemical_list: D007252:Influenza Vaccines; D008458:Measles Vaccine