Evolution of COVID-19 case curve in cities belonging the northwest macro-region of the Paraná State, Brazil. Research, Society and Development, [S. l.], v. 9, n. 12, p. e14891210978, 2020. DOI: 10.33448/rsd-v9i12.10978. Disponível em: https://rsdjournal.org/rsd/article/view/10978. Acesso em: 5 dec. 2025.