In hospitals' war against drug-resistant superbugs, a class of bacteria once thought to be fairly benign is emerging as a deadly threat to the sickest and most vulnerable patients. The scourge -- known as gram-negative bacteria -- is throwing a new wrench into efforts to contain the spread of deadly infections. Amid more than 1.7 million infections annually in hospitals, prevention efforts have been aimed at the most widespread organisms, like the staph infection MRSA and others in the so-called... read more
