Blanc, Dominique S.
Mauffrey, Florian
Büchler, Andrea C.
Vuichard-Gysin, Danielle
Piezzi, Vanja
Gardiol, Céline
Garcia, Marc
Pillonel, Trestan
Poirel, Laurent
Nordmann, Patrice
Schlaepfer, Pascal
Neidhöfer, Claudio
Keller, Peter
,
Suter, Brigitte
Pranghofer, Sigrid
Graff, Kassandra
Jacot, Damien
Greub, Gilbert
Liebefeld, Risch
Burren, Kaspar
Westers, Albert
Roditscheff, Anna
Jayol, Aurélie
Guyon, Céline
Monnera, Luce Bertaiola
Nusbaumer, Charly
Deggim-messmer, Vanessa
Bandeira, Diane
Fournier, Claudine
Schrenzel, Jacques
Renzi, Gesuele
Cherkaoui, Abdessalam
Andrey, Diego
Nguyen, Aude
Emonet, Stephane
Eyer, Myriam
Maret, Raphaelle
Belo, Alix Véronique
Mabillard, Darinka
Moraz, Milo
Herzog, Kathrin
Guler, Cornelia
Rossi, Marco
Mitrovic, Irena
Dilorenzo, Valeria
Zehnder, Cinzia
Wehrli, Marianne
Preiswerk, Benjamin
Eich, Gerhard
Brugger, Silvio
Dubuis, Olivier
Castelberg, Claudio
Narr, Kerstin
Ellenberger, Siro
Seiffert, Salome
Article History
Received: 6 October 2025
Accepted: 2 April 2026
First Online: 16 April 2026
Declarations
:
: The authors declare no competing interests.
: This work was conducted as part of a routine outbreak investigation led by the National Nosocomial Outbreak Investigation Centre under the mandate of the Federal Office of Public Health of Switzerland and an ethical approval was not needed.
: During the preparation of this work the authors used ChatGPT (OpenAI) in order to improve the readability and language of the manuscript. After using this tool, the authors reviewed and edited the content as needed and take full responsibility for the content of the published article.