Ardiansyah, M.Y., Zarfiardy Aksa Fauzi and Rohani Lasmaria S 2023. The Relationship between COVID-19 Vaccination and the Severity of COVID-19 in Patients Treated for the Period August 2021 – August 2022 at Arifin Achmad General Hospital, Riau Province, Indonesia. Bioscientia Medicina : Journal of Biomedicine and Translational Research. 8, 3 (Dec. 2023), 4111-4116. DOI:https://doi.org/10.37275/bsm.v8i3.938.