Antibiotic susceptibility profile and prevalence of A and genes in isolated from nasal and pharyngeal sources of medical students in Ecuador.

Background: is a common nasal colonizer in 20-30% of the general population. When mucosal and cutaneous barriers are disrupted, can cause severe infections. While MRSA nasal carriers have an increased risk of infections when compared to non-carriers, prolonged exposure to the hospital environment may cause an increase in carriage of MRSA.