Twenty nine strains of Enterobacter and 18 strains of Citrobacter isolated from various clinical specimens were tested for antimicrobial suseceptibility to 20 drugs including quinoloes.
The most frequent isolation source of Enterobacter and Citrobacter was urine.
Among the isolated Enterobacter, all strains were susceptyible to enoxacin(Ex), norfloxacin(Nf), ciprofloxacin(Cp), ofloxacin(Of) and pefloxacin(Pf). 3.4-17.2% of the strains were resistant to rifampin(Rf), moxalacatm(Mx), and nalidixic acid(Na).
34.5-65.5% of the strains were resistant to chloramphenicol(Cm), trimethoprim(Tp), amikacin(Ak), cefamandole(Cf), sureptomycin(Sm), tetracycline(Tc), gentamicin(Gm), kanamycin(Km) and sulfisomidine(Su) and 93.1-96.6% of the strains were resistant
to
ampicillin(Ap), cephalothin(Ct), and tobramycin(T0).
In Citrobacter, all strains were susceptible to Ex, Nf, Cp, Of, Pf, and Mx. 11.1-33.3% of the strains were resistant to Na, Rf, Gm, Ak, Cf, To, and Tp, 44.4-55.6% of the strains to Sm, Km, Cm, Tc and Su, and all strains were resistant to Ap and
Ct.
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