aling response by damaging healthy tissue, releasing EGFR ligands ② and activating the EGFR pathway. This results in an exaggerated wound healing response leading to a fibrotic lung ③. The early use of inhibitors like tyrosine kinase ④ could prevent the normal progress of wound healing and fibrosis [72]. 2.4 Anti-coronavirus activity of traditional Chinese medicine polysaccharides Traditional Chinese herbal medicine is widely used i