WAHYONO, Tri YM.; MAHKOTA, Renti; NURCANDRA, Fajaria; ANSARIADI, Ansariadi; HIDAJAH, Atik C.; HELDA, Helda; SYAHRUL, Fariani; DWINATA, Indra; KAWI, Nurhayati. Seroepidemiological investigation of SARS-CoV-2 infection and risk factors in Indonesia before mass COVID-19 vaccination. Narra J, [S. l.], v. 5, n. 1, p. e1957, 2025. DOI: 10.52225/narra.v5i1.1957. Disponível em: https://www.narraj.org/main/article/view/1957. Acesso em: 3 apr. 2026.