Among the leprosy per se associated HLA alleles, HLA-DQA1*01:05 presented the most significant evidence of association (OR = 3.11, P = 7.61 × 10−10) followed by HLA-DRB1*10:01 (OR = 3.08, P = 1.02 × 10−9, Table 2). This evidence concerns the gene HLA-DQA1 and leprosy.