IFNG and Sepsis: Immunosuppression in sepsis thus provides a novel understanding of the disorder as well as a new therapeutic approach.9 Therefore, investigators have attempted to stimulate innate and adaptive immune systems with IFN‐γ, granulocyte‐macrophage colony‐stimulating factor (GM‐CSF), or granulocyte colony‐stimulating factor G‐CSF (Figure 3).