PADI4 and COVID-19: Due to the multifaceted roles of PADs in inflammatory diseases and infection, as well as its association with a range of chronic conditions [72], some of which are also associated with COVID-19 [73], and PAD-mediated roles in skin [74], contribution to NETosis and mucosal immunity [43,44], this study aimed at identifying putative roles for PADs in host–pathogen responses to SARS-CoV-2.