New ‘Superbug’ Becomes First Drug-Proof Bacteria To Hit U.S.

A 49-year-old Pennsylvania woman has been found carrying a strain of E. coli that is resistant to last-resort antibiotics, which researchers say marks the first appearance of a drug-proof bacteria on U.S. soil. Scientists in Pennsylvania are working with the Centers for Disease Control to find a way to fight the superbug. Hari Sreenivasan talks to Dr. Beth Bell of the CDC for more. FULL REPORT