Some epidemiological indicators of Covid-19 in the South American Continent . Research, Society and Development, [S. l.], v. 9, n. 9, p. e42996920, 2020. DOI: 10.33448/rsd-v9i9.6920. Disponível em: https://rsdjournal.org/rsd/article/view/6920. Acesso em: 5 dec. 2025.