TABLE 1.

Susceptibilities of the four N. veterana isolates to 10 antimicrobials

Antimicrobial	MIC (μg/ml)
	Broth microdilution					E test
	Case 1	Case 2	Case 3	Type strain DSM 44445T	Range	Case 1	Case 2	Case 3	Type strain DSM 44445T	Range
Ampicillin	2	2	2	2	2	2	0.5	1	2	0.5-2
Amoxicillin-clavulanic acida	32	16	16	32	16-32	16	16	16	8	8-16
Cefotaxime	16	4	4	16	4-16	>32	>32	>32	>32	>32
Ceftriaxone	16	4	8	16	8-16	>32	>32	>32	>32	>32
Imipenem	≤0.5	≤0.5	≤0.5	≤0.5	≤0.5	0.032	0.064	0.064	0.016	0.016-0.064
Ciprofloxacin	8	4	8	8	8	>32	>32	>32	>32	>32
Gentamicin	4	8	4	8	4-8	2	8	2	4	2-8
Amikacin	≤2	≤2	≤2	≤2	≤2	0.25	0.25	0.125	0.25	0.125-0.25
Minocycline	4	4	2	4	2-4	4	4	2	4	2-4
Trimethoprim-sulfamethoxazole	1/19	0.5/9.5	1/19	0.5/9.5	0.5/9.5-1/19	0.12/2.3	0.25/4.75	0.12/2.3	0.064/1.1	0.064/1.1-0.25/4.75

^aAll four isolates were positive for beta-lactamase, which was only detectable after induction with clavulanic acid, by the nitrocefin disk method.