COVID-19 burden and influencing factors in Swiss long-term-care facilities: a cross-sectional analysis of a multicentre observational cohort. Swiss Medical Weekly, [S. l.], v. 153, n. 3, p. 40052, 2023. DOI: 10.57187/smw.2023.40052. Disponível em: https://smw.ch/index.php/smw/article/view/3308. Acesso em: 19 nov. 2025.