... [14]. In a nationwide survey examining rates of nasal colonization, S. aureus was more common in men,those with asthma, and in subjects < 65 years of age;blacks and Mexicans had lower colonization ... underlying condi-tions (e.g., tobacco use, prior skin infections, diabetesmellitus, asthma, and HIV infection) and were of lowersocioeconomic status; isolates in this report were not fin-gerprinted ... of community-acquired methicillin-resistantStaphylococcus aureus USA 300 clone as the predominantcause of skin and soft-tissue infections. Ann Intern Med 2006,144:309-317.3. Graham PL, Lin...