Combinations of IFN- γ +874 T/A with IL-10 -1082 A/G SNPs. Although IL-10 -1082 A/G SNP showed no association with pulmonary TB (Table 2) when analyzed singly but had an effect in combination with IFN- γ +874 T/A SNP (Table 4). Here, IL10 is linked to pulmonary tuberculosis.