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Correlation between the amino acid length of (A) V1-V5, (B) V1-V2 and (C) C2-V5 of Env and autologous neutralization titers (nAb IC50 titer) when study entry viruses were tested against study exit plasma samples. The Spearman r-coefficient and p-values are shown and a correlation was considered significant when p<0.05.
