CD40LG and leprosy: Moreover, there was moderately significant increase in anti-leishmanial IgM antibody titre levels, which was observed in sera of patients with PKDL (0.175 ± 0.006) (95%CI:0.16–0.18) patients as compared to control groups, including patients with Leprosy (0.115 ± 0.003) (95%CI:0.10–0.12),patients with Vitiligo (0.116±0.004) (95% CI: 0.10–0.12), EC(0.095 ± 0.004) (95% CI: 0.08–0.10) and NEC (0.105 ± 0.003) (95%CI:0.09–0.11) (Fig 1C).