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Association between Env-specific CD4+ T cells and NAb. Shown are direct correlations of Env-specific CD4+ T cells measured 2 weeks after the 3rd vaccination and NAb to SIVsmE660 (SIVsmE660-BR-CG7G [left] and SIVsmE660/2A5-VTRN [right]) in plasma. Spearman r and P values are shown.
