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Microscopic lung lesion scores for the groups.
| Microscopic Lung Lesions Score | Number of Pigs with Each Score | |
|---|---|---|
| Control Group | Vaccine Group | |
| 0 | 1/3 | 1/3 |
| 1 | 1/3 | 0/3 |
| 2 | 1/3 | 2/3 |
| 3 | 0/3 | 0/3 |
The utilized scoring system evaluated the severity of lung lesions in the following manner: 0—no significant lesions; 1—mild significant lesions; 2—moderate significant lesions; and 3—severe significant lesions (see Figure 3).
