IFNG and leprosy: Our results showed that the IFN-γ levels in patients with leprosy increased 2.5× in the L(PB), 4.5× in the L(MB), 5.7× in the T1RL, and 9.7× in the T2RL group, as well as 7.6× in the HHC group, compared with the NI healthy controls (Figure 1).