IL17A and leprosy: There was significant higher IL-17A serum levels in leprosy patients (4.84 ± 6.79) than the control group (2.04 ± 2.25) (p = 0.034) (Table 2), which was significantly higher in TL (4.52 ± 5.87) than LL (2.91 ± 1.69) (p = 0.017) (Table 3).