Figure 2
From: Cytotoxic response persists in subjects treated for tuberculosis decades ago
Comparison of the ELISPOT immune responses in treated patients. Frequencies of IFN-γ and GrB producing cells when stimulated with PPD (A,C), CFP-10 peptide pool (B) or rCFP-10 (D). The median values are shown with horizontal bars. Surg., n = 6, Part., n = 23, Mod., n = 7 (rCFP-GrB n = 6; PPD-IFN-γ, CFP-peptides-IFN-γ n = 5).