IFNG and bacterial infectious disease: IFN-γ is critical for innate and adaptive immunity against viral and intracellular bacterial infections and for tumor control (Kak et al., 2018; Ullrich et al., 2021; Behzadi et al., 2022; Kung et al., 2022; Song et al., 2022; Albuquerque Pereira et al., 2023; Mukherjee et al., 2023).