It's no secret that dangerous superbugs are showing up more and more in hospitals around the world. But where do they come from? How do they get into hospitals in the first place? In this episode of Prognosis, Bloomberg's Jason Gale unravels the mystery, taking us on a detective's search for the world's most deadly superbugs as they stealthily sneak into hospitals. And how one hospital has come up with a simple yet virtually foolproof safeguard against spreading those bugs once inside the building. The implications are huge for how hospitals around the world fight back against the spread of killer germs.