The same bacterium that ravaged medieval Europe as the "Black Death" still occasionally re-emerges. Bettmann/Corbis hide caption itoggle caption Bettmann/Corbis Goats and Soda Shades Of The Middle Ages: The Plague Popped Up In China And Colorado July 24, 2014 Is this 2014 or 1348? The plague — yes, the infamous Black Death — was reported in China and Colorado. It's the same disease as the Middle Ages pandemic. Only now we know how to treat it.