Pulsed field gel electrophoresis (PFGE) of CA-like MRSA isolate representatives of the ComA pulsotype from different countries. Lane 1, S. aureus NCTC 8325; lane 2, Col-177 (Colombia); lane 3, HUV-01 (Colombia); lane 4, CA-12 (Colombia); lane 5, C609 (Colombia), lane 6, V2125 (Venezuela); lane 7, E403 (Ecuador); lane 8, USA300-0114 strain; lane 9, USA300 varrying SCCmec IVb (Nebraska); lane 10, USA400 (N. Dakota); lane 11, S. aureus NCTC 8325.