TNF and tuberculosis: Some genotypes such as the homozygous Wild-type of both IL-10 (1082 T/C and 592 T/G) in the HIV and TB-HIV group as shown in Figure 2a and the GA genotypes of TNF-α (308 G/A and 238 G/A) locus TB-HIV group in Figure 2b showed a slightly increased expression of the cytokines.