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  • 1 Bundeswehr Hospital Hamburg, Hamburg, Germany
  • 2 University Medicine Rostock, Rostock, Germany
  • 3 Charité – University Medicine Berlin, Berlin, Germany
  • 4 Bernhard Nocht Institute for Tropical Medicine Hamburg, Hamburg, Germany
  • 5 Bundeswehr Medical Academy, Munich, Germany
  • 6 University Medical Center Hamburg-Eppendorf, Hamburg, Germany
  • 7 Central Institute of the Bundeswehr Medical Service Koblenz, Koblenz, Germany
  • 8 University of Antananarivo, Antananarivo, Madagascar
Open access

Direct growth on blood and screening agar for methicillin-resistant Staphylococcus aureus (MRSA) at a tropical surveillance site was compared with broth enrichment and subsequent growth on selective MRSA agar after international sample transport.

In Madagascar, 1548 swabs from an MRSA surveillance study were assessed for growth on Columbia blood agar enriched with 5% sheep blood and MRSA screening agar at the surveillance site with subsequent cold storage of the samples and shipment to Germany. In Germany, 1541 shipped samples were analyzed by non-selective broth enrichment with subsequent culture on MRSA selective agar.

A total of 28 MRSA isolates were detected. Of these, 20 strains were isolated from direct culture on blood and MRSA screening agars at the surveillance site, 24 MRSA strains were isolated using the broth enrichment method in Germany, and 16 MRSA strains were identified by both approaches.

In spite of the observed die-off of individual strains due to long-term storage and transport, broth enrichment with subsequent screening on MRSA selective agar after international sample shipment led to comparable sensitivity of MRSA detection like streaking on blood and MRSA agar at the tropical surveillance site.

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Jeffrey S. Buguliskis (Thomas Jefferson University, USA)

  • Jörn Albring (University of Münster, Germany)
  • Stefan Bereswill (Charité - University Medicine Berlin, Germany)
  • Dunja Bruder (University of Megdeburg, Germany)
  • Jan Buer (University of Duisburg, Germany)
  • Jeff Buguliskis (Thomas Jefferson University, USA)
  • Edit Buzas (Semmelweis University, Hungary)
  • Charles Collyer (University of Sydney, Australia)
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  • Maria Deli (Biological Research Center, HAS, Hungary)
  • Olgica Djurković-Djaković (University of Belgrade, Serbia)
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  • Nancy Guillen (Institute Pasteur, France)
  • Georgina L. Hold (University of Aberdeen, United Kingdom)
  • Ralf Ignatius (Charité - University Medicine Berlin, Germany)
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  • Shreemanta Parida (Vaccine Grand Challenge Program, India)
  • Matyas Sandor (University of Wisconsin, USA)
  • Ulrich Steinhoff (University of Marburg, Germany)
  • Michal Toborek (University of Miami, USA)
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