Assessing real-world vaccine effectiveness against severe forms of SARS-CoV-2 infection: an observational study from routine surveillance data in Switzerland. Swiss Medical Weekly, [S. l.], v. 152, n. 1516, p. w30163, 2022. DOI: 10.4414/SMW.2022.w30163. Disponível em: https://smw.ch/index.php/smw/article/view/3187. Acesso em: 29 nov. 2025.