Akram, Arifa, and Nusrat Mannan. “Molecular Structure, Pathogenesis and Virology of SARS-CoV-2: A Review”. Bangladesh Journal of Infectious Diseases 7 (April 24, 2020): S36-S40. Accessed July 7, 2022. https://www.banglajol.info/index.php/BJID/article/view/46799.