VWF and COVID-19: Furthermore, ref. [13]’s study and ref. [9]’s review found a reduced ability of the body to remove clots, with [13] observing that patients with initial severe COVID-19 maintained hypofibrinolysis beyond 40 days post-infection, and [9]’s review identifying the elevated levels of α-2-antiplasmin and VWF, which were hypothesized to impair normative fibrinolysis.