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Incidence of antimicrobial resistance among Enterobacteriaceae isolated in Riyadh

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Abstract

The antimicrobial resistance of 1,018 isolates of Enterobacteriaceae isolated from fecal specimens of the urban population of Riyadh, Saudi Arabia, was studied. Resistance to 1 or more of 10 antimicrobial agents was encountered in 50.2% of the isolates. Of the isolates tested,Escherichia coli (0.8%) andKlebsiella species (1.6%) were found resistant to seven antimicrobial agents simultaneously: ampicillin, chloramphenicol, kanamycin, colistin, streptomycin, tetracycline, and carbenicillin. Resistance to nalidixic acid was encountered in only 0.68% of theE. coli isolates. No isolate was found to be resistant to gentamicin. Eighty-six of the resistant strains were tested for their ability to transfer their resistance. Forty percent were able to do so withE. coli K-12.

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Authors and Affiliations

  1. College of Pharmacy, Riyadh University, P. O. Box 10219, Riyadh, Saudi Arabia

    Ibrahim A. Al-Sowaygh & Atef M. Shibl

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  1. Ibrahim A. Al-Sowaygh
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  2. Atef M. Shibl
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Al-Sowaygh, I.A., Shibl, A.M. Incidence of antimicrobial resistance among Enterobacteriaceae isolated in Riyadh. Current Microbiology 5, 143–146 (1981). https://doi.org/10.1007/BF01578518

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