“One would prefer a physical trouble which would produce outspoken feeblemindedness with its limited range of harmful effects to this encephalitis which may produce an intellectual, tormented and cruel monster out of a gentle girl or boy.” EncephalitisEncephalitis Lethargica Book:Asleep: The Forgotten Epidemic that Remains One of Medicine's Greatest Mysteries Source: Asleep: The Forgotten Epidemic that Remains One of Medicine's Greatest Mysteries