![post-1918 pandemic encephalitis patient with arms raised](https://www.yorku.ca/laps/sosc/wp-content/uploads/sites/216/2021/09/F1.medium.gif)
COVID-19 “long-haulers” may seem new but, as Health & Society professor Kenton Kroker explains in his article in the Canadian Medical Association Journal (CMAJ), a different kind of long-hauler from the 1918 flu pandemic should be considered by way of patients who suffered from acute cases of Encephalitis lethargica.