Table 4. Balb/c mortality after infection with Balb/c-passaged clones.
| Virus | No. of dead mice / No. of total mice | Mortality (%) | ||
|---|---|---|---|---|
| Total dead mice | Found dead mice | Euthanized mice | ||
| B_P6_C1 | 5/5 | 0/5 | 5/5 | 100 |
| B_P6_C2 | 5/5 | 0/5 | 5/5 | 100 |
| B_P6_C3 | 4/5 | 0/5 | 4/5 | 80 |
| B_P6_C4 | 4/5 | 0/5 | 4/5 | 80 |
| B_P8_C1 | 1/5 | 0/5 | 1/5 | 20 |
| B_P8_C2 | 5/5 | 4/5 | 1/5 | 100 |
| B_P8_C3 | 5/5 | 0/5 | 5/5 | 100 |
| B_P8_C4 | 5/5 | 3/5 | 2/5 | 100 |
| B_P9_C1 | 5/5 | 0/5 | 5/5 | 100 |
| B_P9_C2 | 5/5 | 3/5 | 2/5 | 100 |
| B_P9_C3 | 5/5 | 0/5 | 5/5 | 100 |
| B_P9_C4 | 4/5 | 0/5 | 4/5 | 80 |
Balb/c mice were inoculated with 106 PFU of Balb/c-passaged clones, and mortality rates were observed for nine days.