This includes mAb to the immunomodulatory cytokine IFNγ (NCT04324021), the connective tissue growth factor (NCT04432298), the vascular endothelial growth factor (NCT04305106), and the T cell surface molecule CD147 (NCT04275245), which has recently been shown to bind to SARS-CoV-2-S protein and contribute to the lymphopenia reported in COVID-19 patients [37,93,94,95,96,97]. Here, PROS1 is linked to COVID-19.