Cross-sectional vaccine responsiveness by Whole Blood ICS assay^*.

*The cut-off for a positive response was 3× over background and > or equal to 0.05%. **Numbers in parentheses represent the total subjects tested per group. One volunteer in the 106 pfu ID group did not have data for 2Wks post 2nd and 2 Wks post 3rd and one placebo is missing data for 24 Wks post 3rd. For this reason the subject count may vary from visit to vist. ***Responses are shown for Env and Gag peptide pools representing the vaccine inserts. See material and methods for more details.