Fig. 3From: Enhanced IFN-γ, but not IL-2, response to Mycobacterium tuberculosis antigens in HIV/latent TB co-infected patients on long-term HAARTFrequency of IL-2 secreting cells in response to M. tuberculosis antigens. The frequency of IL-2 secreting cells responding to PPD (a) and ESAT-6 (b) in HAART-naïve (n = 30) and HAART-treated (n = 31) participants. p value was determined using Mann-Whitney test. Median with interquartile range (IQR) is shownBack to article page