SUMARNI, R.; SUTANTRI, S. The perception and participation of the elderly in the COVID-19 vaccination program: Literature review. International journal of health sciences, [S. l.], v. 6, n. S4, p. 259–266, 2022. DOI: 10.53730/ijhs.v6nS4.5511. Disponível em: https://sciencescholar.us/journal/index.php/ijhs/article/view/5511. Acesso em: 10 may. 2026.