Table 3.

Human leucocyte antigen (HLA) class II type for donors responding to the peptides depicted in Fig. 1.

HLA class II			CD4+ T cell epitope in responding donors
HLA-DRB1*	HLA-DQB1*	Donor no.	Pox113	Pox114	Pox116	Pox131
07, 15	03, 06	Donor 13	−	−	+	+
15, 51	06, 06	Donor 30	−	−	+	−
04, 15	03, 06	Donor 31	−	−	+	−
03, 13	02, 06	Donor 19	+	+	+	+
03, 04	02, 03	Donor 24	−	+	−	−

Shared HLA class II β chains between donors are shown in bold type.