tuberculosis challenge, the vaccine stimulated the highest proportion IFN-γ+IL-2+TNF+ and CD4+IL-2+TNF+ CD4+ T cell compared with adjuvant-treated or BCG-treated mice (Figure 6c) as well as the highest proportion of vaccine-specific CD4+ T cells producing IL-17 (Figure 6d). The gene discussed is CD4; the disease is tuberculosis.