ULYTE, A.; HAILE, S. R.; BLANKENBERGER, J.; RADTKE, T.; PUHAN, M. A.; KRIEMLER, S. SARS-CoV-2 seroprevalence in children, parents and school personnel from June 2020 to April 2021: cohort study of 55 schools in Switzerland. Swiss Medical Weekly, [S. l.], v. 152, n. 2324, p. w30193, 2022. DOI: 10.4414/SMW.2022.w30193. Disponível em: https://smw.ch/index.php/smw/article/view/3214. Acesso em: 3 may. 2024.