COVID-19: An epidemiological challenge. Research, Society and Development, [S. l.], v. 10, n. 7, p. e32110716313, 2021. DOI: 10.33448/rsd-v10i7.16313. Disponível em: https://rsdjournal.org/rsd/article/view/16313. Acesso em: 5 dec. 2025.