TABLE 1.
Record of the animal regression experiments.
| Hosts | Groups | Vaccine | Numbers | Day | Dose/0.1 ml | Number of hosts to death in each day of age/day post-inoculation |
% Mortality |
|||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |||||||
| Duck | Challenged | DEV AV1221 | 20 | 7 | 105.42TCID50 | 0 | 2 | 8 | 7 | 3 | / | / | / | / | / | 100 |
| Duck | Challenged | 1 dose DEV vaccine | 20 | 7 | 104.00ELD50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Duck | Challenged | 10 dose DEV vaccine | 20 | 7 | 105.00ELD50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Duck | Challenged | Control | 20 | 7 | PBS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Chicken | Direct-contact | / | 20 | 1 | / | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Chicken | Direct-contact | / | 20 | 1 | / | 0 | 0 | 0 | 2 | 1 | / | / | / | / | / | 15 |
| Chicken | Direct-contact | / | 20 | 1 | / | 0 | 0 | 2 | 4 | 3 | / | / | / | / | / | 45 |
| Chicken | Direct-contact | / | 20 | 1 | / | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Chicken | Challenged | DEV AV1221 | 20 | 1 | 105.42TCID50 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 2 | 0 | 0 | 40 |
| Chicken | Challenged | 1 dose DEV vaccine | 20 | 1 | 104.00ELD50 | 0 | 0 | 0 | 16 | 4 | / | / | / | / | / | 100 |
| Chicken | Challenged | 10 dose DEV vaccine | 20 | 1 | 105.00ELD50 | 0 | 0 | 6 | 14 | / | / | / | / | / | / | 100 |
| Chicken | Challenged | Control | 20 | 1 | PBS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |