title: Controlled field trials of oral killed typhoid vaccines in India.
mesh_terms: D000284:Administration, Oral; D000293:Adolescent; D001769:Blood / Q000382:microbiology; D002648:Child; D002675:Child, Preschool; D002986:Clinical Trials as Topic; D005500:Follow-Up Studies; D006801:Humans; D007194:India; D007223:Infant; D012485:Salmonella typhi / Q000302:isolation & purification; D014435:Typhoid Fever / Q000453:epidemiology / Q000382:microbiology / Q000517:prevention & control; D014436:Typhoid-Paratyphoid Vaccines / Q000008:administration & dosage*
chemical_list: D014436:Typhoid-Paratyphoid Vaccines