As COVID-19 pandemic continues to wreak havoc all over the world the virus is also becoming more and more dangerous day by day. In severe cases patients infected with the novel coronavirus develop severe health complications like pneumonia acute respiratory distress syndrome cardiac injury acute kidney injury liver dysfunction etc. Now researchers have also found high incidence of deep vein thrombosis in patients with severe COVID-19. Deep vein thrombosis (DVT) is a common type of venous thrombosis. It occurs when a blood clot (thrombus) forms in the deep veins usually in your legs. Researchers from Centre Cardiologique du Nord Saint-Denis