As shown in Figure 2H, the AUC scores of EGFR, ITGB1, TBK1, TNF, and VEGFA were all above 0.7, and the AUC scores of ITGB1 and TNF were more than 0.9, indicating that the diagnostic value of these targets was higher in the process of COVID‐19. Here, TNF is linked to COVID-19.