Ghiffari, A. (2022) “SARS-CoV-2 Variants of Concern Increased Transmission and Decrease Vaccine Efficacy in the COVID-19 Pandemic in Palembang Indonesia”, Acta Biomedica Atenei Parmensis, 93(1), p. e2022018. doi:10.23750/abm.v93i1.12224.