Tip from George Ure at Urban Survival, this disease matches the predictive linguistics that come up from the Time Monks project. - Ed.
Between 1917 and 1928 a puzzling illness swept around the world. Young people, especially women, seemed to be the most vulnerable, although it affected thousands of people of all ages.
Doctors named it encephalitis lethargica, which simply means 'inflammation of the brain that makes you tired'.
Although an epidemic of encephalitis lethargica hasn't recurred, occasional cases are still seen. Some experts suggest it may be more common than we realise, but that many minor cases go undiagnosed.