Deaths and hospital stays from a drug-resistant intestinal superbug almost doubled in recent years, according to a report by the U.S. Centers for Disease Control and Prevention. The study found that the death rate from the dangerous germ rose to 2.3% in 2004, from 1.2% in 2000. Additionally, the number of Americans hospitalized with the disease grew to 291,000 in 2005 from 134,000 in 2000.