Research Article
Attenuation and Immunogenicity of a Live High Pathogenic PRRSV Vaccine Candidate with a 32-Amino Acid Deletion in the nsp2 Protein
Table 1
Development of viremia in inoculation pigs.
| Groups | Days after inoculation | Days after challenge |
| | 0 | 3 | 7 | 10 | 14 | 21 | 0 | 7 | 14 | P5 | 0/10 | 10/10 | 10/10 | 10/10 | 7/10 | 3/5 | — | — | — | P60 | 0/10 | 10/10 | 10/10 | 10/10 | 6/10 | 3/5 | — | — | — | P80 | 0/10 | 10/10 | 10/10 | 10/10 | 8/10 | 0/5 | 0/5 | 0/5 | 0/5 | P100 | 0/10 | 6/10 | 7/10 | 6/10 | 4/10 | 0/5 | 0/5 | 1/5 | 0/5 | MOCK | 0/10 | 0/10 | 0/10 | 0/10 | 0/10 | 0/5 | 0/5 | 5/5 | 5/5 |
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