Encephalitis Lethargica: An Autoimmune Disease

Abstract

Twenty patients (16 from 2-16 years old, mean 10.4 years; 4 from 17-69, mean 47.5 years) with an encephalitis lethargica (EL) syndrome resembling that reported in the 1916-1927 epidemic, and presenting between 1999 and 2002, are reported from Great Ormond Street Hospital, London, and other tertiary neurology centers in the UK.

Keywords

• encephalitis lethargica
• sleep disorder
• pediatric autoimmune neuropsychiatric disorder