Lesions <*> were observed in the brainstem , cerebellum and spinal cord .
Non - suppurative ganglionitis in the spinal ganglion and neuritis in the spinal root were also observed .
Lesions consisting of perivascular cuffing of mononuclear cells , focal gliosis , neuronal necrosis and neuronophagia were observed in the brainstem , cerebellum and spinal cord .
Non - suppurative ganglionitis in the spinal ganglion and neuritis in the spinal root were also observed .