Table 2.
Comparison of histological lesion score of lungs from PCV2-infected wild-type mice and il10−/− mice.
| Group | Mice no.a | Wild-type mice lungb | il10−/− mice lungb |
|---|---|---|---|
| 7 d.p.i. | I | 2 | 1 |
| II | 2 | 2 | |
| III | 2 | 2 | |
| 14 d.p.i. | I | 3 | 2 |
| II | 3 | 2 | |
| III | 2 | 2 | |
| 28 d.p.i. | I | 3 | 1 |
| II | 3 | 2 | |
| III | 3 | 3 |
One part of the left lungs from three out of five PCV2-infected mice was used for histopathological examination.
The score was according to the thicken degrees of alveolar septum that comparing to mock infection mice and ranged from 0 (normal) to 3 (severe).