Impact of USA300 Methicillin-Resistant Staphylococcus aureus on Clinical Outcomes of Patients With Pneumonia or Central Line–Associated Bloodstream Infections

Fernanda C. Lessa, Yi Mu, Susan M. Ray, Ghinwa Dumyati, Sandra Bulens, Rachel J. Gorwitz, Gregory Fosheim, Aaron S. DeVries, William Schaffner, Joelle Nadle, Kenneth Gershman, Scott K. Fridkin, for the Active Bacterial Core surveillance (ABCs) MRSA Investigators of the Emerging Infections Program Division of Healthcare Quality Promotion, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Emory University School of Medicine, Atlanta, Georgia; Infectious Diseases Division, Department of Medicine, University of Rochester, New York; Atlanta Research and Education Foundation, Decatur, Georgia; Minnesota Department of Health, St Paul; Department of Preventive Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee; California Emerging Infections Program, Oakland; and Colorado Department of Public Health and Environment, Denver