Seroprevalence of SARS-CoV-2 infection in a municipality in southern Brazil . Research, Society and Development, [S. l.], v. 10, n. 9, p. e30710917996, 2021. DOI: 10.33448/rsd-v10i9.17996. Disponível em: https://rsdjournal.org/rsd/article/view/17996. Acesso em: 5 dec. 2025.