Intestinal colonisation with extended-spectrum cephalosporin-resistant Escherichia coli in Swiss pets: molecular features, risk factors and transmission with owners.

Pires J Institute for Infectious Diseases (IFIK), University of Bern, Friedbühlstrasse 51, CH-3001 Bern, Switzerland; Graduate School of Cellular and Biomedical Sciences, University of Bern, Bern, Switzerland.
Bernasconi OJ Institute for Infectious Diseases (IFIK), University of Bern, Friedbühlstrasse 51, CH-3001 Bern, Switzerland; Graduate School of Cellular and Biomedical Sciences, University of Bern, Bern, Switzerland.
Kasraian S Institute for Infectious Diseases (IFIK), University of Bern, Friedbühlstrasse 51, CH-3001 Bern, Switzerland.
Hilty M Institute for Infectious Diseases (IFIK), University of Bern, Friedbühlstrasse 51, CH-3001 Bern, Switzerland; Department of Infectious Diseases, Bern University Hospital, University of Bern, Bern, Switzerland.
Perreten V Institute of Veterinary Bacteriology, Vetsuisse Faculty, University of Bern, Bern, Switzerland.
Endimiani A Institute for Infectious Diseases (IFIK), University of Bern, Friedbühlstrasse 51, CH-3001 Bern, Switzerland. Electronic address: andrea.endimiani@ifik.unibe.ch.