Vading, M Frequent acquisition of low-virulence strains of ESBL-producing Escherichia coli in travellers. [electronic resource] - The Journal of antimicrobial chemotherapy 12 2016 - 3548-3555 p. digital Publication Type: Journal Article ISSN: 1460-2091 Standard No.: 10.1093/jac/dkw335 doi Subjects--Topical Terms: AdolescentAdultAgedAnti-Bacterial Agents--pharmacologyBacteriological TechniquesColistin--pharmacologyDrug Resistance, BacterialEscherichia coli--classificationEscherichia coli Infections--epidemiologyFemaleHumansMaleMiddle AgedMolecular TypingPolymerase Chain ReactionProspective StudiesRectum--microbiologySweden--epidemiologyTravelVirulence Factors--geneticsYoung Adultbeta-Lactamases--metabolism