TABLE 1.

Characteristics of enterococcal study isolates, 1996

Organism no. and species	MIC (μg/ml), interpretation by NCCLS criteriaa			Vancomycin phenotype
	Vancomycin	Penicillin	Ampicillin
1. E. faecium	512, R	32, R	4, S	VanA
2. E. faecium	64, R	>256, R	64, R	VanB2
3. E. faecalis	16–32, I-R	4, S	1, S	VanB
4. E. gallinarum	8, I	2, S	1, S	VanC1
5. E. faecalis	1–4, S	1–4, S	0.5–2, S

^aR, resistant; S, susceptible; I, intermediate.