Methicillin-oxacillin resistant strains of Staphylococcus aureus (MORSA) in infected burn wounds.

Among 204 strains isolated from infected burn wounds of 188 patients in the years 1987-1989 resistance to methicillin and oxacillin was found in 116 Staphylococcus aureus strains (group A). They accounted for 56.6% of the isolates.