TABLE 1.

Antimicrobial susceptibilities and serotypes of 18 isolates from day care center A

Isolate no.	MIC (μg/ml)										Serotype
	PEN	Cefaclor	Cefuroxime	Cefotaxime	Ceftriaxone	Imipenem	Erythromycin	Chloramphenicol	Tetracycline	Trim-sulfaa
8	0.5	>256	4	1	0.5	0.094	>256	4	64	2	6B
10	2	>256	4	1	1	0.5	>256	8	16	8	19F
1	4	>256	4	1	1	0.5	16	4	16	4	19F
5	2	>256	4	0.5	0.5	0.25	16	4	16	2	19F
17	4	>256	4	1	1	0.125	>256	32	32	8	23F
13	4	>256	2	0.5	0.5	0.25	>256	4	32	0.5	23F
9	4	>256	0.023	1	2	0.5	>256	4	32	8	23F
11	4	>256	8	2	2	0.5	>256	8	32	4	23F
12	4	>256	8	2	2	0.5	>256	64	32	8	23F
14	4	>256	4	1	1	0.5	>256	8	32	16	23F
15	4	>256	8	2	2	0.5	>256	64	32	16	23F
16	4	>256	8	1	1	0.5	>256	4	32	16	23F
18	4	>256	8	2	2	0.5	>256	4	32	8	23F
2	4	>256	8	2	2	0.5	>256	32	32	4	23F
3	4	>256	8	2	2	0.5	>256	4	32	4	23F
4	4	>256	4	2	2	0.5	>256	4	16	2	23F
6	4	>256	8	0.064	2	1	>256	4	32	4	23F
7	4	>256	8	1	2	0.5	>256	8	32	4	23F
MIC50	4	>256	4	1	2	0.5	>256	4	32	4
MIC90	4	>256	8	2	2	0.5	>256	32	32	16

^aTrim-sulfa, trimethoprim-sulfamethoxazole.