Table 5.
Virus isolation, serology, and lung lesions in study 3 (dual infection with bovine coronavirus [BoCV] strain OK 1776 and bovine viral diarrhea virus [BVDV] genotype 2, subgenotype a).
| Group | BoCV | BVDV | Lung lesion | ||||
|---|---|---|---|---|---|---|---|
| VI | VN | VI | VN | ||||
| BC | NS | BC | NS | ||||
| 3E (BVDV d 0; BoCV d 9) | 0/3 | 2/3: d 2,4,7 post-exposure 1/3: d 2,4 post-exposure |
2/3: d 7 post-exposure 1/3: d 9 post-exposure |
1/3: d 6 post-exposure 1/3: d 6,9 post-exposure 1/3: d 4,6,9 post-exposure |
1/3: d 4,6 post-exposure 1/3: d 6,9 post-exposure |
3/3: d 13 post-exposure | 2/3 |
| 3F (BVDV d 3; BoCV d 9) | 0/3 | 3/3: d 2,4 post-exposure | 3/3: d 7 post-exposure | 1/3: d 9 post-exposure 1/3: d 6,9 post-exposure 1/3: d 9,11,13 post-exposure |
1/3: d 11 post-exposure 1/3: d 6,9 post-exposure |
3/3: d 16 post-exposure | 2/3 |
| 3G (BVDV d 7) | 0/2 | 0/2 | 0/2 | 2/2: d 10 post-exposure | 0/2 | 1/2: d 17 post-exposure 1/2: d 20 post-exposure |
0/2 |
| 3H (no virus) | 0/2 | 0/2 | 0/2 | 0/2 | 0/2 | 0/2 | 0/2 |
VI = virus isolation; VN = virus neutralization.