This was encephalitis lethargica, the “forgotten epidemic” described in Carlson's book. It has been estimated that it left about 500,000 people dead or disabled. Roughly one-third died acutely ...

It was called encephalitis lethargica and it affected over 5 million people worldwide, and then was almost forgotten. Fiery plane crash kills 179 in worst airline disaster in South Korea 11 Facts ...