title: Emergence of Shigella sonnei resistant to kanamycin and to nalidixic acid, without exposure to these drugs.
mesh_terms: D002648:Child; D004352:Drug Resistance, Microbial; D004405:Dysentery, Bacillary / Q000382:microbiology; D005260:Female; D005759:Gastroenteritis / Q000382:microbiology; D005827:Genetics, Microbial; D006801:Humans; D007223:Infant; D007612:Kanamycin / Q000494:pharmacology*; D008297:Male; D009154:Mutation; D009268:Nalidixic Acid / Q000494:pharmacology*; D012764:Shigella sonnei / Q000187:drug effects* / Q000302:isolation & purification; D013045:Species Specificity
chemical_list: D009268:Nalidixic Acid; D007612:Kanamycin