TABLE 2.

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

Animal no.Endpoint with PRRSV strain:
Wt PRRSV (FL-12)FL-N34AFL-N51AFL-N34/51A
114041:321:2561:2561:32,768
113461:81:641:2561:16,384
114571:16NDb1:1281:2,048
114071:8ND1:641:2,048
  • a Data are inverse endpoint dilutions showing neutralization. Animals were infected with 105 TCID50 of wt PRRSV FL12, and serum samples were taken 47 days postinfection.

  • b ND, not determined.