TABLE 2.
Histologic lesions in the CNSs of suckling neonatal piglets at 22 to 36 h after intragastric inoculation with 1010 CFU of EHEC O157:H7 strain 86-24
| Tissue | No. examined | No. with histologic lesion score
|
|||
|---|---|---|---|---|---|
| Negative | Mild | Moderate | Severe | ||
| Medulla oblongata | 26 | 8 | 13 | 5 | 0 |
| Brain stem | 26 | 4 | 12 | 10 | 0 |
| Cerebrum | 25 | 7 | 10 | 6 | 2 |
| Cerebellum | 25 | 0 | 2 | 4 | 19 |
| Spinal cord | 22 | 7 | 8 | 7 | 0 |