35TH FORUM IN IMMUNOLOGY - DISCUSSION by Swain, S, Gajewski, T, Fitch, F, Locksley, R, Daynes, R, Araneo, B, Powrie, F, Fowell, D, Mcknight, A, Mason, D, Spits, H, Devries, J, Bretscher, P, Williams, M, Stohlman, S, Mosmann, T