TABLE 1.

MICs for strains of S. pneumoniae^a

Origin	Strain	MIC (μg/ml)
		Pen G	AMP	AMX	AMX/CAb	CA
South Africa	N1387	4	2	2	2/1	512
Hungary	11766	4	4	2	2/1	128
Hungary	14319	8	2	2	2/1	32
United Kingdom	1629	0.01	0.01	0.01	0.01/0.005	16

^aDetermined by serial agar dilution with Mueller-Hinton agar with 5% (vol/vol) horse blood. Abbreviations: AMP, ampicillin; AMX, amoxicillin; CA, clavulanic acid; Pen G, penicillin G. 

^b2:1 ratio of amoxicillin:clavulanic acid was used.