Molecular detection and prevalence of SARS-CoV-2 during the early outbreak in Southern Bangladesh oleh Eaftekhar Ahmed Rana, Nahida Sarwer Chowdhury, Md. Sirazul Islam, Jahan Ara, Syeda Shamima Nasrin, Pronesh Dutta, Sabiha Zarin Tasnim Bristi, Tanvir Ahmad Nizami, Prashanta Chakraborty, Amam Zonaed Siddiki