Ongoing toxin-positive diphtheria outbreaks in a federal asylum centre in Switzerland, analysis July to September 2022 Kofler, Jacob and Ramette, Alban and Iseli, Patricia and Stauber, Lea and Fichtner, Jens and Droz, Sara and Zihler Berner, Annina and Meier, Anna Bettina and Begert, Michelle and Negri, Sabine and Jachmann, Anne and Keller, Peter Michael and Staehelin, Cornelia and Grützmacher, Barbara, Eurosurveillance, 27, 2200811 (2022), https://doi.org/10.2807/1560-7917.ES.2022.27.44.2200811