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Phylogenetic distribution of VF genes among 182 E. coli bacteremia isolates. The MLEE-based tree was taken from Maslow et al. (50). Clusters I to V are labeled. The four major subclusters within cluster III, i.e., subclusters A to D, are in boldface. Data reflect the number of isolates within each lineage (Lin.) positive for the indicated trait. Minus signs, absence of positivity for the indicated trait; n, number of evaluatable isolates in the lineage.
