Khan, N.N. , Begum, S.A. , Afeef, R. and Kamrujjaman, M. 2023. Vaccine efficacy of COVID-19 in Bangladesh: Does vaccination prevent the pandemic?. GANIT: Journal of Bangladesh Mathematical Society. 43, 1 (Aug. 2023), 045–062. DOI:https://doi.org/10.3329/ganit.v43i1.67858.