Biochip vs. superbug

It´s an irony of our time that checking into a hospital can kill you, thanks to several antibiotic-resistant superbugs that have found niches in health-care facilities. Now, to combat the menace of one particularly lethal strain of bacteria, doctors at four hospitals in the United States are trying out a speedy method to identify patients who have MRSA (methicillin-resistant Staphylococcus aureus).