TABLE 2.

Pair-wise comparison of the amino acid sequences of the ORF5 gene products among PRRSV inocula used in the study

Virus inoculum	% Identity to product of sequence with GenBank accession no.:
	U03040	AF535152	AF339499	AF066183	PRU87392
VR2385	100	91.1	91.0	90.6	90.6
98-38803	91.1	100	95.5	99.5	98.5
98-37120	91.0	95.5	100	96.0	96.0
Ingelvac	90.6	99.5	96.0	100	99.0
VR2332	90.6	98.5	96.0	99.0	100