polioencephalitis infectiva -->
von Economo's disease
medical dictionary

A unique encephalitis, presumably viral in origin, which followed the influenza pandemic of 1914-1918. Symptoms included ophthalmoplegia and marked somnolence, and in many survivors, the delayed development of Parkinson's disease; the basis for postencephalitic Parkinsonism.

Synonyms: encephalitis lethargica, polioencephalitis infectiva.

(05 Mar 2000)