Current Epidemiology of Multidrug-Resistant Gram-Negative Bacilli in the United States

Gram-negative bacilli are an important cause of infection in healthcare and community settings. Antimicrobial resistance, including resistance to multiple antimicrobial classes, is an ongoing problem among gram-negative bacilli. This synopsis reviews the incidence of multidrug resistance among gram-negative bacilli in the United States and describes emerging issues in their epidemiology.