NFKB1 and Salmonella Infections: The KEGG results showed that the differences in IDA macrophages were primarily related to oxidative phosphorylation, NF−κB signaling, and antigen processing and presentation, while differences in M1 macrophages were mainly related to Yersinia infection, phagosome, salmonella infection, shigellosis, endocytosis, legionellosis, and tuberculosis (Figure 7B).