Escherichia coli colonizing healthy children in Tunisia: High prevalence of extra-intestinal pathovar and occurrence of non-extended-spectrum-β-lactamase-producing ST131 clone.

Abstract excerpt

This study was performed to investigate the distribution of antimicrobial resistance genes and extra-intestinal virulence determinants in a collection of 98 Escherichia coli strains isolated from rectal swabs of healthy children. Forty-six isolated strains were resistant to at least one of the tested antibiotics (usually active against enterobacteria). They were mainly resistant to ampicillin and ticarcillin...

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