PTPN2 and influenza: As shown in Figure 1A, there were 17 active components of GHKGD acting on influenza-related targets: MPL, EIF2AK2, PTPN1, PTPN11, EGFR, TYK2, ISG20, IKBKE, PTPN6, PTPN2, JAK3, JAK1, JAK2, STAT3, CTSA, JUN, and STAT1.