FCN2 and leprosy: Regarding FCN2 promoter-exon 1 haplotypes, those two sharing the first three 5′ rs3124952*G, rs3124953*G, and rs3811140*G (GGG) variants were also associated with increased susceptibility to leprosy/HBV infection (OR = 2.6 [95%CI = 1.13–5.96], P = 0.034) (Supplementary Table 4).