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HC102/VID 403—definition of CD4+ T-cell epitopes in HIV-1 protein Vif. HC102 peptide-expanded SCTL from volunteer 403 were stimulated in an ICS assay using truncated peptides (left) and CD4+ T cells producing IFN-γ (green) and TNF-α (orange) were enumerated using flow cytometry. Amino acid R indicates the stimulatory peptide termini.
