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Number of chickens per group where virus nucleoprotein was detected by IHC at different time points post inoculation (hpi).
| Tissue | Cranial (hpi) | Caudal (hpi) | ||||||
|---|---|---|---|---|---|---|---|---|
| 4 | 8 | 16 | 24 | 4 | 8 | 16 | 24 | |
| Lung | ||||||||
| LPAI | 1 | 0 | 1 | 5 | 0 | 0* | 4 | 3 |
| HPAI | 1 | 3 | 6 | 6 | 0 | 1* | 6 | 6 |
| Trachea | ||||||||
| LPAI | 0 | 0 | 3 | 4 | 0 | 2* | 2* | 4 |
| HPAI | 0 | 3 | 5* | 6 | 0 | 3 | 5* | 5 |
| Airsac | ||||||||
| LPAI | 0 | 2 | 1** | 2 | ||||
| HPAI | 0 | 3 | 0** | 4 | ||||
N = 6 if not specified otherwise; * n = 5; ** n = 4
