Table 2. Clinical signs of chickens after challenge with a highly pathogenic avian influenza virus, Kumamoto strain.
Group | Chicken No. | Clinical signs on days after challenge | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | ||
Vaccine | 605 | - | - | - | - | - | - | - | - | NT | NT | - | - | - | - |
611 | - | - | - | - | - | - | - | - | NT | NT | - | - | - | - | |
613 | - | - | - | - | - | - | - | - | NT | NT | - | - | - | - | |
615 | - | - | - | - | - | - | - | - | NT | NT | - | - | - | - | |
617 | - | - | - | - | - | - | - | - | NT | NT | - | - | - | - | |
619 | - | - | - | - | - | - | - | - | NT | NT | - | - | - | - | |
624 | - | - | - | - | - | - | - | - | NT | NT | - | - | - | - | |
629 | - | - | - | - | - | - | - | - | NT | NT | - | - | - | - | |
635 | - | - | - | - | - | - | - | - | NT | NT | - | - | - | - | |
638 | - | - | - | - | - | - | - | - | NT | NT | - | - | - | - | |
Negative control | 610 | - | - | + | D | ||||||||||
618 | - | - | - | + | D | ||||||||||
619 | - | - | - | + | D |
-: No abnormal clinical signs, +: Abnormal clinical signs, D: Death, NT; Not tested.