Figure 1From: IFN-γ response on T-cell based assays in HIV-infected patients for detection of tuberculosis infection Number of responder T cells to specific antigens in T-SPOT.TB (A) and IFN-γ released after specific antigens (B) stimulation determined by QFN-G-IT in HIV-infected patients stratifying CD4 cell counts into two groups of < 200 and >200 cells/μl. Back to article page