[Genotypes of Staphylococcus aureus strains with methicillin resistant phenotype].

Background: Methicillin resistant strains of Staphylococcus aureus (MRSA) are an important cause of nosocomial infections.

Aim: To determine the genotypes of MRSA strains.

Material And Methods: Fifty five strains of MRSA, isolated from patients hospitalized in Hospital Base Valdivia, were studied.