Between 1916 and 1931, a strange illness known as encephalitis lethargica swept across the world, affecting millions.
— Historic Vids (@historyinmemes) August 19, 2025
Striking often after a sore throat or flu-like illness, it could leave victims in a deep, prolonged sleep that lasted weeks or months. Some collapsed… pic.twitter.com/V04DHNRDj0