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Study finds MRSA in Midwestern swine, workers
Date:1/22/2009

were negative for MRSA.

The researchers could not determine why System A had a high prevalence rate of MRSA among its swine and swine handlers, but listed several differences compared to System B. First, the systems raised different breeds of swine. Second, System A was an older, more established operation that had approximately twice the number of animals as System B. Third, both systems imported sows from different sources, raising the possibility that ST398 may have been introduced via live swine or pork products.

Other research has shown that ST398 accounts for 20 percent of all MRSA detected in the Netherlands, demonstrating the importance of considering livestock and other animals when examining the epidemiology of MRSA.

"Iowa ranks first in the nation in swine production," Smith said. "Transmission of MRSA on swine farms or in veterinary facilities could complicate efforts to reduce MRSA transmission statewide and beyond."

The investigators recommended that future studies assess the risk of MRSA disease among swine workers and their contacts, survey retail meat products for MRSA contamination, study larger populations of swine and humans to define the epidemiology of MRSA within swine operations, and assess MRSA carriage rates in other livestock.


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Contact: Hannah Fletcher
hannah-fletcher@uiowa.edu
319-384-4277
University of Iowa
Source:Eurekalert

Page: 1 2

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