COVID-19 and social vulnerability in the state of Sergipe, Brazil: an ecological study. Research, Society and Development, [S. l.], v. 11, n. 2, p. e6611225438, 2022. DOI: 10.33448/rsd-v11i2.25438. Disponível em: https://rsdjournal.org/rsd/article/view/25438. Acesso em: 6 dec. 2025.