Table 1.

Porcine MHC (SLA) class I and II low-resolution (Lr) haplotypes of PRRSV-infected pigs and T cell reactivity against identified antigenic peptides.

Group	Pig	SLA-I Lr haplotype	CD8 T cell antigenic peptide			SLA-II Lr haplotype	CD4 T cell antigenic peptide
Olot/91	70	22.0/35.0	NSP513–27		NSP5156–167	0.01/0.15b	M29–43
	71	22.0/35.0	NSP513–27		NSP5156–167	0.01/0.15b	M29–43
	86	35.0/38.0		NSP5149–159		0.11/0.15b
	87	35.0/38.0		NSP5149–159		0.11/0.15b
	00	43.0/NDa		NSP5149–159		0.01/0.02
SU1-Bel	72	22.0/35.0			NSP5156–167	0.01/0.15b	M29–43
	73	22.0/62.0			NSP5156–167	0.01/0.11
	88	22.0/35.0	NSP513–27		NSP5156–167	0.01/0.15b	M29–43
	89	35.0/38.0				0.11/0.15b
	01	04.0/22.0			NSP5156–167	0.01/0.02

^aND, not determined.