The problem in the insertion of Coronavac and Astrazeneca vaccines in the fight against COVID-19 in Brazil. Research, Society and Development, [S. l.], v. 11, n. 16, p. e423111638349, 2022. DOI: 10.33448/rsd-v11i16.38349. Disponível em: https://rsdjournal.org/rsd/article/view/38349. Acesso em: 5 dec. 2025.