Flu-like syndromes among the population of the municipality of Barreirinhas, Maranhão, in times of Covid-19 pandemic. Research, Society and Development, [S. l.], v. 9, n. 9, p. e934997943, 2020. DOI: 10.33448/rsd-v9i9.7943. Disponível em: https://rsdjournal.org/rsd/article/view/7943. Acesso em: 5 dec. 2025.