Sultana, Shahnaz, Avirup Saha, Shakila Nargis Khan, and Muhammad Manjurul Karim. 2021. “An Asymptomatic Case Report With Prolonged Viral Clearance: An Issue to Ponder COVID-19 Control and Containment”. Bangladesh Journal of Medical Science 20 (1):187-89. https://doi.org/10.3329/bjms.v20i1.50368.