VWF and COVID-19: It is currently believed that, in addition to being a respiratory disease, COVID-19 might also be a ‘vascular disease’ [13,14,15], as it may result in a leaky vascular barrier and increased expression of von Willebrand factor (vWF), which is responsible for increased coagulation, cytokine release, and inflammation [16,17,18,19,20,21,22,23,24,25].