Analysis of the epidemiological profile of pertussis cases in the state of Piauí from 2013 to 2018. Research, Society and Development, [S. l.], v. 10, n. 2, p. e39810211354, 2021. DOI: 10.33448/rsd-v10i2.11354. Disponível em: https://rsdjournal.org/rsd/article/view/11354. Acesso em: 5 dec. 2025.