Fig. 3From: Hospital clones of methicillin-resistant Staphylococcus aureus are carried by medical students even before healthcare exposurePulsed-field gel electrophoresis analysis of methicillin-resistant Staphylococcus aureus strains found in the study. * The numbers represent the students with MRSA carriage as mentioned in Fig. 4; the capital letters represent the sample time. For example: 1C is a clone cultured from student 1 on the third sample of the studyBack to article page