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Bw4/Bw4, Bw6/Bw6 and Bw4/Bw6 allele-specific enzyme-linked immunospot (ELISPOT) magnitude were compared with CD4+ T cell count (a) and viral load (VL) (b). There was no association between magnitude and CD4+ T cell count or VL in Bw6/Bw6 and Bw4/Bw6; in contrast, there was a significant positive association between magnitude and CD4+ T cell count (a, middle) and significant negative association between magnitude and VL (b, middle) in Bw4/Bw4.
