During the one year follow-up you discover that the patient passed away in his sleep. An autopsy is performed with the gross appearance of the brain and histological evaluation presented below.
You note that the brain appears enlarged yet has no morphological abnormalities. You were able to look at the histology slides with a neuropathologist who points out eosinophilic inclusions within the astrocytes in the gray and white matter.
Which of the following conclusions may be made at this point about the cause of the patient’s death?
-