Salathé, Marcel, Christian L. Althaus, Richard Neher, Silvia Stringhini, Emma Hodcroft, Jacques Fellay, Marcel Zwahlen, Gabriela Senti, Manuel Battegay, Annelies Wilder-Smith, Isabella Eckerle, Matthias Egger, and Nicola Low. “COVID-19 Epidemic in Switzerland: On the Importance of Testing, Contact Tracing and Isolation”. Swiss Medical Weekly 150, no. 1112 (March 19, 2020): w20225. Accessed April 21, 2024. https://smw.ch/index.php/smw/article/view/2742.