PADI4 and COVID-19: Furthermore, transcriptomics data revealing downregulation in PAD4 mRNA levels in SARS-CoV-2 infected patient’ lung biopsies, compared to healthy controls (https://www.ncbi.nlm.nih.gov/bioproject/PRJNA615032), indicates importance for PADs in host-virus interactions in COVID-19 and will need to be further explored.