Overview of Junior High School Students’ Knowledge About the Covid-19 Vaccine at SMPN 6 Pekanbaru: Pintha Ulina Damanik, Yufitriana Amir, Ganis Indriati. HEALTH CARE: JURNAL KESEHATAN, [S. l.], v. 12, n. 2, p. 258–264, 2023. DOI: 10.36763/healthcare.v12i2.289. Disponível em: https://jurnal.payungnegeri.ac.id/index.php/healthcare/article/view/289. Acesso em: 13 jan. 2026.