CD40LG and tuberculosis: This when compared to IgM levels captured by the same respective peptide epitopes among TB exposed house-hold contacts of 0.02623+0.0009368 (95% CI: 0.02436 to 0.02809) and 0.02704+0.0006148 (95% CI: 0.02581 to 0.02826) (see Table 2).