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Magnitude of IFN-γ ELISPOT response (SFC/106 PBMC) and responder rate (%)at one week post last vaccination to Env, Gag, Pol and Nef /Tat peptides (group A: after 2 doses of DNA and 2 dose of MVA; group B after 3 doses of MVA; placebo results are from groups A and B combined).
