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. Author manuscript; available in PMC: 2014 Oct 1.
Published in final edited form as: J Immunol Methods. 2013 Jun 13;395(0):1–13. doi: 10.1016/j.jim.2013.06.001

Figure 1. Distribution Symmetry.

Figure 1

Boxplots of Z-scale normalized peptide indices for fifteen randomly selected vaccines and five randomly selected placebo subjects from RV144 data. Responses are approximately symmetric about zero from subject to subject, with long right tails indicating peptide binding in vaccined subjects.