CCL2 and infection: To achieve this, we selected various immunological and infection-related markers based on our previous studies [46, 47]—categorized into subgroups: ‘Regulation of the Immune Response’ (NFKB1, NFKB2, HLA-G, HLA-DMA, EGFR, TLR2, TLR5), ‘Cytokine Response’ (CCL2, IL1a, IL1b, IL6, IL8, IL10, IL12a, IL18, IFI6, IFNGR1, TNFA), ‘Apoptosis’ (TP53, BAX, BCL2, CASP3, CASP7), and ‘C.