High community faecal carriage rates of CTX-M ESBL-producing Escherichia coli in a specific population group in Birmingham, UK.

Objectives: To determine the proportion of E. coli carrying specific CTX-M extended-spectrum β-lactamase (ESBL) genotypes in a community population of East and North Birmingham.

Methods: General practice and outpatient stool samples from 732 individuals submitted for examination for faecal pathogens in 2010 were screened for ESBL-producing E.