Fig. 3From: Immunogenicity and therapeutic effects of a Mycobacterium tuberculosis rv2190c DNA vaccine in miceFrequencies of CD4+ T cell subsets in whole blood assessed by flow cytometry. The data are expressed as the mean % ± standard deviation. a Th1 cells expressing IFN-γ (IFN-γ-FITC); b Th2 cells expressing IL-4 (IL-4-PE); c The ratio of Th1/Th2 cell frequenciesBack to article page