Experimental Design: This study will be a prospective prevalence study involving adult patients (>17years old) with skin and soft-tissue infections presenting to the Emergency Departments of LHSC (University Hospital and Victoria Hospital) as well as to the Urgent Care of SJHC. These departments have a combined approximate total of 150,000 visits per year. The study has an expected enrollment of 152 patients from July 2008- July 2009. The study will continue until three months after the last patient has been enrolled so that follow-up nasal and throat swabs may be obtained, if applicable.