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Genetic diversity of Campylobacter jejuni isolates from animals and patients. (A) The minimum spanning tree shows population structure of C. jejuni isolates. Circles correspond to different sequence types. The size of circle proportional to the number of isolates with a certain sequence type. Colors of the circles indicate isolates from different sources. (B) A tree constructed by Neighbor Joinning algorithm. Saitou–Nei criterion was selected for tree branch-length minimization.
