Similar results were found in a study of 184 ICU patients with COVID-19 pneumonia on thromboprophylaxis; 27% had pulmonary embolism or deep vein thrombosis.70 Laboratory testing of hospitalized patients with COVID-19 shows elevated fibrinogen, D-dimer, vWF (von Willebrand factor), and factor VIII. This evidence concerns the gene VWF and COVID-19.