In addition to IFN-γA, IP-10A, IL-1RaA and IP-10N, VEGFN, IL-12N, a number of other cytokines had also been found with high diagnostic potential in the biomarker screening group, including TB-antigen stimulated IL-2, MCP-1, PDGF-BB and unstimulated IFN-γ. Here, IL2 is linked to tuberculosis.