title: The number of injections in primary immunization and postvaccination immunity from the results of controlled field trials with typhoid and paratyphoid B vaccines.
mesh_terms: D000284:Administration, Oral; D006801:Humans; D007115:Immunization Schedule; D007117:Immunization, Secondary; D007279:Injections, Subcutaneous; D014436:Typhoid-Paratyphoid Vaccines / Q000008:administration & dosage / Q000592:standards*
chemical_list: D014436:Typhoid-Paratyphoid Vaccines