Jose, Jerrin Maria, and Jayasree Anandabhavan Kumaran. 2022. “Duration of Viral Clearance and Factors Associated With Viral Clearance Among COVID-19 Patients Admitted in a Tertiary Care Center in North Kerala”. International Journal Of Community Medicine And Public Health 9 (4):1709-14. https://doi.org/10.18203/2394-6040.ijcmph20220842.