VTN and COVID-19: Although activation of complement and coagulation cascades in severe COVID-19 has been reported previously (Perico et al., 2021; Overmyer et al., 2021; Afzali et al., 2022), including modulated by the expression of TF (Eslamifar et al., 2020), our findings indicate that few complement proteins are regulated in both survivors and non-survivors of COVID-19.