TABLE 1.

Reference strains and clinical isolates used in the present study

Strain	Genomic speciesa	Species name	Strain codec	Outbreakd	Specimen	Reference
1	1	A. calcoaceticus	ATCC 23055	No		6
2	2	A. baumannii	ATCC 19606	No		6
3	3	UNb	ATCC 19004	No		6
4	4	A. haemolyticus	ATCC 17906	No		6
5	5	A. junii	ATCC 17908	No		6
6	6	UN	ATCC 17979	No		6
7	7	A. johnsonii	ATCC 17909	No		6
8	8	A. lwoffii	NCTC 5866	No		6
9	10	UN	ATCC 17924	No		6
10	11	UN	ATCC 11171	No		6
11	12	A. radioresistens	IAM 13186	No		6
12	13	UN	ATCC 17903	No		29
13	14	UN	ATCC 17905	No		29
14	15	UN	MGH 98795	No		29
15	BJ14	UN	CCUG 14816	No		9
16	BJ15	UN	Adam Ac 606	No		9
17	BJ16	UN	ATCC 17988	No		9
18	BJ17	UN	SEIP Ac 87.314	No		9
19	2	A. baumannii	HK 20	A-1	Skin	21
20	2	A. baumannii	HK 70	A-2	Sputum	21
21	2	A. baumannii	HK 71	A-3	Wound	21
22	2	A. baumannii	HK 72	A-4	Wound	21
23	2	A. baumannii	HK 73	A-5	Urine	21
24	3	UN	HK 74	No	Blood
25	2	A. baumannii	HK 75	No	Rectum
26	2	A. baumannii	HK 76	No	Sputum
27	2	A. baumannii	HK 77	No	Rectum
28	2	A. baumannii	HK 21	R-1	Urine	11
29	2	A. baumannii	HK 22	D-1	Urine	11
30	2	A. baumannii	HK 23	U-1	Sputum	11
31	2	A. baumannii	HK 24	E-1	Bronchus	11

^aNumbered according to the work of Bouvet and Grimont (5) for groups 1 to 12, according to the work of Tjernberg and Ursing (29) for groups 13 to 15, and according to the work of Bouvet and Jeanjean (6) for groups BJ14 to BJ17. Group 14 is identical to BJ13. 

^bUN, unnamed genomic species. 

^cCCUG, Culture Collection, University of Göteborg, Göteborg, Sweden; IAM, Institute of Applied Microbiology, The University of Tokyo, Tokyo, Japan; MGH, Collection of Malmö General Hospital, Malmö, Sweden; SEIP, Service des Entérobactéries de l’Institut Pasteur, Paris, France. 

^dNo, epidemiologically unrelated isolate; 1 to 5, outbreak number in Dutch cities: Amsterdam (A), Rotterdam (R), Dordrecht (D), Utrecht (U), or Enschede (E).