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Dendrogram of 8 Mycobacterium fortuitum isolates associated with prosthetic joint surgical site infections, multiple hospitals, Oregon, 2013–2016. Boxes indicate group relatedness according to pulsed-field gel electrophoresis: solid lines, indistinguishable (no band difference); dashed lines, closely related (1–3 band difference); dotted lines, possibly related (4–6 band difference). Differences of >7 bands indicate not related. Rep, representative.
