title: Duration of immunity after tetanus vaccination.
mesh_terms: D001294:Attitude to Health; D001938:Brazil; D002648:Child; D003140:Communicable Disease Control; D003906:Developing Countries; D005260:Female; D006801:Humans; D007109:Immunity; D007117:Immunization, Secondary; D008297:Male; D013742:Tetanus / Q000453:epidemiology / Q000276:immunology / Q000517:prevention & control*; D013743:Tetanus Antitoxin / Q000008:administration & dosage / Q000032:analysis*; D013997:Time Factors; D014611:Vaccination / Q000592:standards
chemical_list: D013743:Tetanus Antitoxin