Antimicrobial resistance characteristics of MDR Salmonella isolates from human and animal origin in Vietnam.

Abbreviations used: A, ampicillin; C, chloramphenicol; S, streptomycin; T, tetracycline; Su, sulfonamides; Tp, trimethoprim, Ac, amoxicillin; Ce, cephalothin; G, gentamicin; K, kanamycin; Na, nalidixic acid; No, norfloxacin; Ci, ciprofloxacin; Co, colistin.Tm, Typhimurium; RDNC, reaction does not conform to any recognized phage types; UT, untypeable phage; Ec, E. coli as the recipient; SE, S. Enteritidis as the recipient; QRDR, quinolone resistance determining region.- not found; nt, not tested.anumber in brackets: number of isolate(s).