IFNG and tuberculosis: Although IFN-γ is one of the most important cytokines for the protective response against M. tuberculosis, it is not enough to control the pathogen.23, 24, 25 The Th17 cells produce IL-17, which plays a major protective role in TB, observed through the survival of neutrophils in the early stages of infections, providing control of the bacterial load.26, 27, 28, 29, 30