We present a 28-year-old woman with encephalomyelitis and concomitant central nervous system infection by Epstein-Barr virus. Progression took place in 2 phases, with myelitis at the beginning and encephalitis developing later. Despite great functional impairment, recovery was good and the patient was left suffering only from urinary retention that was presumably caused by spinal lesions. The etiology of the case is unusual, particularly in adults.
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