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Macroscopic and microscopic pneumonia in pigs inoculated with H2N3 virus Sw/4296424 or mock-inoculated
| Group | Lung lesion score, % | Histopathologic score (0–3) |
|---|---|---|
| H2N3 day 3 | 27.57 ± 7.36 | 2.23 ± 0.23 |
| Control day 3 | 0.00 ± 0.00 | 0.33 ± 0.09 |
| H2N3 day 5 | 21.86 ± 2.90 | 2.37 ± 0.11 |
| Control day 5 | 0.00 ± 0.00 | 0.56 ± 0.06 |
| H2N3 day 7 | 21.57 ± 5.02 | 2.07 ± 0.25 |
| Control day 7 | 0.00 ± 0.00 | 0.22 ± 0.11 |
Values are the mean ± SEM.
