Figure 2. Pulsed-field gel electrophoresis (PFGE) of a stratified random sample of USA300 isolates and corresponding PCR results for Panton-Valentine leukocidin (PVL) and arginine catabolic mobile element (ACME). The Centers for Disease Control and Prevention’s PFGE results for USA300, USA300-0114, and SCCmec IVb were added as controls.
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