The flu pandemic of 1918 is the hidden apocalypse of the 20th century, killing as many as 50 million people around the world; with new evidence, scientists investigate the truth behind the so-called Spanish flu to see if it could happen again.
Des historiens et les scientifiques tentent d'éclaircir les mystères les plus tenaces qui subsistent autour de la pandémie de grippe de 1918, un fléau horrible qui a tué plus de 50 millions de personnes dans le monde.
Historiadores equipados com tecnologia de ponta reescrevem as histórias mais icônicas dos EUA.