Overall, we observed increased circulating levels of VWF:Ag and VWF:RCo, which were however higher in the COVID-19 group than in the non-COVID-19 group with a statistically significant difference reached for the VWF:Ag levels (mean [SD], 275.39 [184.97]% p = 0.041) (Supplementary Table S3 and Figure 1C). This evidence concerns the gene VWF and COVID-19.