Fig. 2From: Correlations between cytokines produced by T cells and clinical-virological characteristics in untreated chronic hepatitis B patientsFrequency of CD4+ and CD8+ T cells in IT (n = 17), IA (n = 120), IC (n = 20) and GZ (n = 72) phases of naïve CHB patients, and of healthy control (n = 17). The levels were compared among these patients in different phases, and those of healthy controls. (IT, immune tolerant; IA, immune active; IC, inactive carrier; GZ, gray zones)Back to article page