NFKB1 and legionellosis: KEGG enrichment analysis indicated that these genes were mainly associated with pertussis, alcoholic liver disease, and NF-κB signaling pathway, legionellosis, complement and coagulation cascades, staphylococcus aureus infection, Chagas disease, toll-like receptor signaling pathway, systemic lupus erythematosus, and phagosome (Figure 5D).