TABLE 2.

Effect of alteration of glycosylation pattern of PRRSV GP5 on the ability of the infectious virion to react with neutralizing antibodies^a

Animal no.	Endpoint with PRRSV strain:
	Wt PRRSV (FL-12)	FL-N34A	FL-N51A	FL-N34/51A
11404	1:32	1:256	1:256	1:32,768
11346	1:8	1:64	1:256	1:16,384
11457	1:16	NDb	1:128	1:2,048
11407	1:8	ND	1:64	1:2,048

^aData are inverse endpoint dilutions showing neutralization. Animals were infected with 10⁵ TCID₅₀ of wt PRRSV FL12, and serum samples were taken 47 days postinfection.

^bND, not determined.