Figure 5From: Identification of a human immunodominant T-cell epitope of mycobacterium tuberculosis antigen PPE44Representative examples of ICC flow cytometry analysis of PBMC in response to p1L and rPPE44. The percentage of IFN-γ+ CD4+ cells is given in the upper right corner of each panel. Panel A, PBMC from a PPD- healthy donor in the presence of p1L; panel B and C, PBMC of a PPD+ healthy donor in the presence of p1L and rPPE44, respectively.Back to article page