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Replication of H9N2 influenza viruses in quaila
| Virus | No. with virus shedding on indicated day (infectivity titer [log10/0.1 ml])
|
|||||
|---|---|---|---|---|---|---|
| Trachea
|
Cloaca
|
|||||
| 3 | 5 | 7 | 3 | 5 | 7 | |
| Qa/HK/G1/97 | 4 (>5.0) | 4 (>5.0) | 3 (NT) | 4 (<1) | 2 (<1) | 0 |
| Ck/HK/G9/97 | 4 (5.0) | 4 (3.8) | 2 (2.5) | 2 (<1) | 0 | 0 |
| Qa/HK/A17/99 | 4 (4.8) | 4 (5.0) | 4 (3.2) | 2 (<1) | 2 (<1) | 1 |
Each group contained four animals, none of which showed signs of disease from days 1 to 11. NT, not tested.
