Helpers in the strengthening of the immunological system to face COVID-19 . Research, Society and Development, [S. l.], v. 10, n. 13, p. e111101320983, 2021. DOI: 10.33448/rsd-v10i13.20983. Disponível em: https://rsdjournal.org/rsd/article/view/20983. Acesso em: 5 dec. 2025.