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Comment & Response |

Identifying Livestock-Associated Methicillin-Resistant Staphylococus Aureus in the United States—Reply

Joan A. Casey, MA1,3; Brian S. Schwartz, MD1,2,4,5
[+] Author Affiliations
1Department of Environmental Health Sciences, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
2Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
3Johns Hopkins Center for a Livable Future, Baltimore, Maryland
4Johns Hopkins School of Medicine, Baltimore, Maryland
5Geisinger Health System, Danville, Pennsylvania
JAMA Intern Med. 2014;174(5):825. doi:10.1001/jamainternmed.2014.37.
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In Reply We appreciate the opportunity to respond to Perencevich et al. We emphasize several differences between our work and that of Feingold and colleagues, to which they refer in their letter. We studied methicillin-resistant Staphylococus aureus (MRSA) infection in a general population representative group and compared them with patients without MRSA infection. Feingold et al studied MRSA colonization and compared people with ST398 with people with other strains. The inferences that can be made from these 2 studies are substantially different.


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May 1, 2014
Eli N. Perencevich, MD, MS; Robert Skov, MD; Jan Kluytmans, MD, PhD
1Carver College of Medicine, University of Iowa, Iowa City
2Microbiology and Infection Control, Statens Serum Institut, Copenhagen, Denmark
3Laboratory for Microbiology and Infection Control, Amphia Hospital, Breda, the Netherlands
JAMA Intern Med. 2014;174(5):824-825. doi:10.1001/jamainternmed.2014.45.
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