Fig. 2.

T-cell responses to 15-mer peptide pairs in Gag Pool 2. a The responses to individual pairs of 15-mer peptides in Gag Pool 2. Responses to peptide pairs in 50 responders to Pool 2 were analyzed by an IFN-γ ELISPOT assay. The dotted line at 200 SFU/10⁶ CD8⁺ T cells indicates a threshold for a positive response. b Summary of responders and peptide pairs. Reported epitopes present in the pair of the 15-mer peptides according to the LANL-HSD. HLA⁺ responders are those with the matching restricting HLA allele for the reported epitope