H1N1 vaccination strategies during the COVID-19 pandemic in Amazonas. Research, Society and Development, [S. l.], v. 9, n. 9, p. e102996814, 2020. DOI: 10.33448/rsd-v9i9.6814. Disponível em: https://rsdjournal.org/rsd/article/view/6814. Acesso em: 5 dec. 2025.