Lasker, S. P., Shah Mahfuzur, . R., Jafurullah, M., Ansari, M. A. J. and Hossain, A. (2022) “Prevalence, symptom and severity of COVID 19 among permanent residents of Dhaka City”, HEALTH SCIENCES QUARTERLY, 2(2), pp. 73–80. doi: 10.26900/hsq.2.2.02.