PTGS2 and COVID-19: The network findings revealed that five anti-COVID-19 core targets followed the pathways in cancer (IL6, MAPK1, PPARG, PTGS2, and MAPK3) (degree = 5), TNF signaling pathway (IL6, MAPK1, PTGS2, ICAM1, and MAPK3) (degree = 5), and Lipid and atherosclerosis (IL6, MAPK1, PPARG, ICAM1, and MAPK3) (degree = 5) (Figure 10).