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Percentage of cells expressing CD107a, MIP1β and IFNγ before and after the 3rd immunization in the (A) CD4+ T cell compartment and (B) CD8+ T cell compartment. Bars show mean with SEM. N = 17 (placebo = 10, CPG = 7). Statistical comparisons were made between the change from before and after the 3rd immunization in the two groups.
