Muyeed, A. et al. 2021. The Prevalence and Severity Comparison of COVID-19 Disease in SAARC Affiliated Countries: Pattern Analysis during the First Wave in 2020. Journal of Health and Biological Sciences. 9, 1 (jun. 2021), 1–7. DOI:https://doi.org/10.12662/2317-3076jhbs.v9i1.3679.p1-7.2021.