- Nasstasja Wassilew1, Helena MB Seth-Smith2,3, Eveline Rolli1, Yvonne Fietze1, Carlo Casanova4, Urs Führer5, Adrian Egli2,3, Jonas Marschall1, Niccolò Buetti1
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View Affiliations Hide AffiliationsAffiliations: 1 Department of Infectious Diseases, University Hospital Bern, Bern, Switzerland 2 Division of Clinical Microbiology, University Hospital Basel, Basel, Switzerland 3 Applied Microbiology Research, Department of Biomedicine, University of Basel, Basel, Switzerland 4 Institute for Infectious Diseases, University of Bern, Bern, Switzerland 5 Infectious Diseases Department, Biel Hospital, Biel, SwitzerlandNiccolò Buettiniccolo.buetti gmail.com
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Citation style for this article: Wassilew Nasstasja, Seth-Smith Helena MB, Rolli Eveline, Fietze Yvonne, Casanova Carlo, Führer Urs, Egli Adrian, Marschall Jonas, Buetti Niccolò. Outbreak of vancomycin-resistant Enterococcus faecium clone ST796, Switzerland, December 2017 to April 2018. Euro Surveill. 2018;23(29):pii=1800351. https://doi.org/10.2807/1560-7917.ES.2018.23.29.1800351 Received: 02 Jul 2018; Accepted: 19 Jul 2018
Outbreak of vancomycin-resistant Enterococcus faecium clone ST796, Switzerland, December 2017 to April 2018
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Abstract
A large outbreak of vancomycin-resistant enterococci (VRE) is affecting four hospitals in the Canton of Bern, Switzerland, since December 2017. Of 89 cases identified as carriers, 77 (86.5%) VRE isolates were virtually indistinguishable using whole genome sequencing, and identified as multilocus sequence type (MLST) ST796. This clone, previously only described in Australia and New Zealand, is characterised by rapid spread and the ability to cause bloodstream infections. It requires a multifaceted infection prevention effort.

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