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cgMLST minimum spanning tree of 161 Salmonella Infantis isolates. Isolates are colored according to the isolation source. Clusters of closely related (≤7 allele differences) isolates are highlighted in gray; isolates S117 and S138 originated from the same patient. Broiler-to-broiler transmission clusters are not shown. Numbers on the connecting lines indicate the number of allele differences. Other isolate names and distances are omitted for clarity.
