Deadly, untreatable superbugs spreading - PHOTOS

A new family of antibiotic-resistant bacteria, known as CRE, is raising concerns across the medical community because of its ability to cause infections that defy even the strongest antibiotics. The antibiotic resistance is spread by mobile pieces of DNA that can move between different species of bacteria, creating new, drug-defying bugs. (Source: University of Virginia Health System / By Frank Pompa, USA TODAY)