Figure 3

Correlation between CMV-specific IgG titer and the frequency and differentiation phenotype of Vδ2^-and Vδ2⁺γδ T-cells. Frequency of cells lacking or expressing the Vδ2 receptor (A) as well as cells with a CD27⁺CD28⁺B) or a CD27^-CD28^- phenotype C) within Vδ2^- (left-hand panel) and Vδ2⁺ (right-hand panel) was correlated with anti-CMV IgG levels in serum of 19 CMV-seropositive individuals between the ages of 21 and 89. P values were calculated using the Spearman correlation test.