Figure 3

(a) Expression of IFN-γ in all and CD3+ T peripheral blood lymphocytes. Serum level of IFN-γ in the (b) whole analyzed group, (c) naïve and previously infected individuals. The results are presented as individual values with mean ± standard error of the mean (SEM). Differences between values were compared using Wilcoxon signed-rank test and the results were considered statistically significant if p < 0.05. *p < 0.05.