GENETIC ANALYSIS OF METHICILLIN-RESISTANT STRAINS OF STAPHYLOCOCCUS AUREUS; EVIDENCE FOR THEIR EVOLUTION FROM A SINGLE CLONE

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Abstract
The microcolony sizes of the aerobic and anaerobic cutaneous bacterial flora have been examined by a comparison of the number of viable aggregates and the total viable cells per cm2 of skin. The mean microcolony size was often of the order of 104 cells and counts in excess of 105 cells have been recorded. The importance of these microcolonies in relation to skin disinfection is discussed.