For the viral and bacterial peptides [4, 41, 46, 47], we also tested them with CD4+ T cells from two melanoma patients (\documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{upgreek}\usepackage{mathrsfs}\setlength{\oddsidemargin}{-69pt}\begin{document}$n=837$\end{document}, “Materials and Methods”). Here, CD4 is linked to melanoma.