Microbiological Screening Is Necessary to Distinguish Carriers of Plasmid-Mediated AmpC Beta-Lactamase-Producing Enterobacteriaceae and Extended-Spectrum Beta-Lactamase (ESBL)-Producing Enterobacteriaceae because of Clinical Similarity

• Anna Conen,

  Affiliation Division of Infectious Diseases and Hospital Epidemiology, Kantonsspital Aarau, Aarau, Switzerland

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• Reno Frei,

  Affiliations Division of Clinical Microbiology, University Hospital Basel, Basel, Switzerland, Division of Infectious Diseases and Hospital Epidemiology, University Hospital Basel, Basel, Switzerland

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• Hildegard Adler,

  Affiliation Division of Clinical Microbiology, University Hospital Basel, Basel, Switzerland

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• Marc Dangel,

  Affiliation Division of Infectious Diseases and Hospital Epidemiology, University Hospital Basel, Basel, Switzerland

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• Christoph A. Fux,

  Affiliation Division of Infectious Diseases and Hospital Epidemiology, Kantonsspital Aarau, Aarau, Switzerland

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• Andreas F. Widmer

  * E-mail: andreas.widmer@usb.ch

  Affiliation Division of Infectious Diseases and Hospital Epidemiology, University Hospital Basel, Basel, Switzerland

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