Clostridium difficile in Retail Meat Products, USA, 2007
J. Glenn Songer , Hien T. Trinh, George E. Killgore, Angela D. Thompson, L. Clifford McDonald, and Brandi M. Limbago
Author affiliations: University of Arizona, Tucson, Arizona, USA (J.G. Songer, H.T. Trinh); Centers for Disease Control and Prevention, Atlanta, Georgia, USA (G.E. Killgore, A.D. Thompson, L.C. McDonald, B.M. Limbago)
Figure. Origin, NAP types, and relatedness of strains from foods and humans, Arizona, USA, 2007. All strains were positive by PCR for binary toxin. Scale bar indicates genetic relatedness. Tox, toxinotype; Ref, reference; NAP1-r, NAP1-related.
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