CRP and influenza: For example, the “Role of Hypercytokinemia/hyperchemokinemia in the Pathogenesis of Influenza” and the “Interferon Signalling” are activated in the MDD CRP 1–3 mg/L, but not in the CRP > 3 mg/L, while the “Mitochondrial Dysfunction” is inhibited, and the “Neutrophil Extracellular Trap Signalling Pathway” and “S100 Family Signalling Pathway” are activated, in CRP > 3 mg/L, but not in the CRP 1–3 mg/L.