| Group | Sheep No. | Viremia (CEID50) | ||||||||
| 0 dpi | 2 dpi | 4 dpi | 6 dpi | 8 dpi | 10 dpi | 12 dpi | 14 dpi | 16 dpi | ||
| 1 μg/dose | 1 - 6 | NVDa | NVD | NVD | NVD | NVD | NVD | NVD | NVD | NVD |
| 5 μg/dose | 7 | NVD | NVD | NVD | NVD | NVD | NVD | NVD | NVD | NVD |
|
| 8 | NVD | NVD | NVD | NVD | NVD | NVD | NVD | NVD | NVD |
|
| 9 | NVD | NVD | NVD | NVD | NVD | NVD | NVD | NVD | NVD |
|
| 10 | NVD | NVD | NVD | NVD | NVD | NVD | NVD | NVD | NVD |
|
| 11 | NVD | NVD | 1.83 | 3.17 | 3.17 | 2.17 | 2.17 | 1.83 | 1.83 |
|
| 12 | NVD | NVD | NVD | NVD | NVD | NVD | NVD | NVD | NVD |
| 10 μg/dose | 13 - 18 | NVD | NVD | NVD | NVD | NVD | NVD | NVD | NVD | NVD |
| 50 μg/dose | 19 - 24 | NVD | NVD | NVD | NVD | NVD | NVD | NVD | NVD | NVD |
| Naive control | 25 | NVD | 1.17 | 2.17 | 2.83 | 2.83 | 3.5 | 2.87 | 2.87 | 2.87 |
|
| 26 | NVD | NVD | 2.17 | 3.5 | 3.5 | 2.17 | 2.17 | 1.83 | 1.83 |
|
| 27 | NVD | NVD | 1.5 | 3.17 | 3.17 | 1.83 | 1.83 | 1.5 | 0.83 |
|
| 28 | NVD | NVD | 1.83 | 3.17 | 3.17 | 1.83 | 1.83 | 1.83 | 1.83 |
|
| 29 | NVD | NVD | NVD | NVD | 1.83 | 2.17 | 1.83 | 0.83 | 0.83 |
|
| 30 | NVD | NVD | NVD | NVD | NVD | NVD | NVD | NVD | NVD |