CDH5 and COVID-19: Comparing the findings from human lung tissue samples of COVID-19 patients and cultured human endothelial Ea.hy926 cells, we observed a correlation between the elevated T-cadherin expression (noted in control vs COVID-19 patients and in CDH13 OE endothelial cells vs control cells) and reduced VE-cadherin in both scenarios (Figures 1–3).