Table 1.

Antibody binding to porcine reproductive and respiratory syndrome (PRRSV) strains.

Virus sample	PRRSV-2							PRRSV-1
	ATP	VR2332	MN184	1-7-4	1-4-4	1-3-4	1-26-2	SDEU	Lelystad
BNW4 serum	+	+	+	+	+	+	+	+	+
BNW7 serum	+	+	+	+	+	+	+	+	+
BNW4 p14	+	+	+	+	+	+	+	−	−
BNW7 p1	+	+	+	+	+	+	+	−	−
BNW7 p5c4	+	+	+	+	+	+	+	−	−
BNW7 p9	+	+	+	+	+	+	+	−	−
BNW7 p10c5	+	+	+	+	+	+	+	−	−

+, antibody containing sample bound to the PRRSV tested; −, no binding detected via IFA. Representative data from three repeat experiments.