TABLE 1.

Susceptibilities of aerobic bacteria to retapamulin and mupirocin

Species (no. of isolates)	MIC (μg/ml) of:
	Retapamulin			Mupirocin
	50%	90%	Range	50%	90%	Range
Gram-positive strains
All staphylococcal strains combined (344)	0.12	0.12	0.03-128	0.25	1	0.03->32
All coagulase-negative staphylococcal strains combined (110)	0.12	0.12	0.03-16	0.25	>32	0.03->32
Coagulase-negative staphylococci, methicillin resistant (56)	0.06	0.12	0.03-1	0.25	>32	0.12->32
Coagulase-negative staphylococci, methicillin sensitive (54)	0.12	4	0.03-16	0.25	32	0.03->32
All Staphylococcus aureus strains combined (234)	0.12	0.12	0.03-128	0.25	0.5	0.12->32
Staphylococcus aureus, methicillin resistant (111)	0.12	0.12	0.06-4	0.25	2	0.12->32
Staphylococcus aureus, methicillin sensitive (103)	0.12	0.12	0.06-128	0.25	0.5	0.12-1
Staphylococcus aureus, vancomycin intermediate (20)	0.06	0.12	0.03-1	0.25	1	0.12-32
All streptococcal strains combined (390)	0.03	0.06	0.16-8	0.5	2	0.06->32
Group C beta-hemolytic streptococci (59)	0.016	0.03	0.016-0.06	0.5	1	0.12-1
Group G beta-hemolytic streptococci (71)	0.03	0.06	0.016-0.06	0.25	0.5	0.12-2
Streptococcus agalactiae (103)	0.03	0.03	0.016-0.25	1	2	0.25-2
Streptococcus pyogenes (102)	0.016	0.03	0.016-0.06	0.12	0.25	0.06-0.25
Viridans group streptococci (55)	0.06	0.25	0.016-8	1	2	0.25->32
All enterococcal strains combined (102)	64	128	0.03-256	32	>32	0.5->32
All gram-negative bacilli combined (151)	256	>512	0.016->512	>32	>32	16->32