Figure 3.

Pulsed field gel electrophoresis of clindamycin-resistant clinical isolates. Lane 1: lamda ladder. Lane 2: representative USA300 isolate. Lanes 3–10: isolates collected from two hospitals in the western part of the city. Lane 11: representative USA400 isolate. Lanes 12–15: isolates from a hospital in the eastern part of the city. Lanes 16–27: isolates collected from three hospitals in the western part of the city.