Keiser, Olivia, Thomas Agoritsas, Christian L. Althaus, Andrew S. Azman, Dominique de Quervain, Antoine Flahault, Myrofora Goutaki, Arnaud Merglen, and Isabella Eckerle. “A Public Health Strategy for SARS-CoV-2, Grounded in Science, Should Guide Swiss Schools through the Coming Winter”. Swiss Medical Weekly 151, no. 4142 (October 14, 2021): w30086. Accessed April 24, 2024. https://smw.ch/index.php/smw/article/view/3092.