Antibiotic-resistant infections kill 23,000 people in the US and sicken two million each year, and the problem is getting worse, warns a new report from the Centers for Disease Control and Prevention. Antibiotic Resistance Threats in the United States, 2013 ranks several strains of bacteria according to their current and projected health and economic impacts. It describes 18 microorganisms whose threat levels are "urgent," "serious," or "concerning."
CDC identifies three bacteria as urgent threats: Clostridium difficile, Carbapenem-resistant Enterobacteriaceae (CRE), and Drug-resistant…