Islam, M. S. ., Akram, A. ., Yusuf, M. A. . and Mahmud, S. . (2022) “Comparison of Saliva sample and Nasopharyngeal Sample for the Diagnosis of COVID 19 in a Single Center in Bangladesh”, Bangladesh Journal of Infectious Diseases, 9(9), pp. S20-S23. doi: 10.3329/bjid.v9i9.62611.