The article details efforts by University of Virginia Health System doctors and scientists to battle a medication-resistant "superbug" that is being found nationwide. The lessons learned have helped them target screening of at-risk patients across the hospital, as well as those checking in. And with rapid identification and isolation of carriers, heavy vigilance on hand washing, and other infection-control measures, the hospital has been able to control its outbreak, hospital epidemiologist Costi Sifri said.