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ABSTRACT
Urinary tract infection is a common problem worldwide. Escherichia coli are the greatest cause of primary urinary tract infections (UTI). Antimicrobial susceptibility testing provides information that allows physicians to select the most appropriate antimicrobial agents for treating a specific infection. This study aimed at the isolation of Escherichia coli 0157:H7 associated with urinary tract infection from healthy students of University of Benin, Ugbowo Campus, Nigeria. One hundred and fifty urine samples of healthy students were cultured and screened for Escherichia coliusing standard microbiological protocols and their antibiotic profile susceptibility was investigated using the disc diffusion method according to the Clinical and Laboratory Standards Institute on Mueller Hinton agar. Urine samples were plated on Cysteine Lactose Electrolyte Deficient (CLED) and Eosin Methylene Blue (EMB) agar.Escherichia coli was the most frequent isolate throughout the sample with 34.54% isolated out of 150 urine samples with Escherichia coli 0157:H7 having a frequency of 4.49% . Also, Staphylococcus aureus (31.25%), Proteus mirabilis (22.04%) and Klebsiella pneumoniae (12.17%)were isolated. Escherichia coli occurred more frequently in female (42.54%) than in male (22.76%). Escherichia coli 0157:H7 was resistant to augmentin and susceptible to ciprofloxacin and ofloxacin. The emergence of antibacterial-resistant bacteria is also contributed by inappropriate antibacterial treatment and abuse of antibiotics. Therefore, the implementation of antibiotic stewardship programs is crucial to minimize the chance of selecting for resistant resistance.
