Emerging Infectious Disease ISSN: 1080-6059

Human Infections with Non-O157 Shiga Toxin–producing Escherichia coli, Switzerland, 2000–2009

Ursula Käppeli, Herbert Hächler, Nicole Giezendanner, Lothar Beutin, and Roger Stephan

Author affiliations: Author affiliations: University of Zurich, Zurich, Switzerland (U. Käppeli, H. Hächler, N. Giezendanner, R. Stephan); Federal Institute for Risk Assessment, Berlin, Germany (L. Beutin)

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Figure 5

Dendrogram of Shiga toxin–producing Escherichia coli O121 strains isolated from human patients, Switzerland, 2000–2009 in Switzerland. stx, Shiga toxin gene; eae, intimin gene. Scale bar indicates degree of similarity (%).

Figure 5. Dendrogram of Shiga toxin–producing Escherichia coli O121 strains isolated from human patients, Switzerland, 2000–2009 in Switzerland. stx, Shiga toxin gene; eae, intimin gene. Scale bar indicates degree of similarity (%).

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