RT-PCR confirmed case of COVID 19 infection. <br/ > Patients with confirmed case of COVID 19 with persistence of lung lesion on HRCT after 6weeks of infection <br/ > Normal hepatic and renal function <br/ > Participants can understand the study and sign informed consent for the study. <br/ >

RT-PCR confirmed case of COVID 19 infection. <br/ > Patients with confirmed case of COVID 19 with persistence of lung lesion on HRCT after 6weeks of infection <br/ > Normal hepatic and renal function <br/ > Participants can understand the study and sign informed consent for the study. <br/ >