High-risk spatiotemporal clusters of COVID-19 in Northeastern Brazil: a population-based ecological study. Research, Society and Development, [S. l.], v. 10, n. 14, p. e205101421875, 2021. DOI: 10.33448/rsd-v10i14.21875. Disponível em: https://rsdjournal.org/rsd/article/view/21875. Acesso em: 5 dec. 2025.