Severe systemic thrombosis in a young COVID-19 patient with a rare homozygous prothrombin G20210A mutation.

COVID-19 patients may experience a hypercoagulable condition, leading to thrombotic events. We describe a patient with COVID-19, carrying a rare homozygous mutation of the prothrombin gene, who developed a severe systemic vein thrombosis. In COVID-19 patients with hypercoagulability disorders the most common inherited and acquired risk factors should be investigated.