Table 1.

Sequenced isolates of C. sakazakii French NICU outbreak 1994 and SNP typing

C. sakazakii strain	Genbank accession	Pulsotype	Sequence typea	Neonate	Symptoms	Isolation date (1994)	Day	Isolation site	SNP differences from index strain
699	JOLK00000000	1	12	A	No details	23-Mar	1	Trachea	Index strain
703	JOLY00000000	1	12	B	NECII	25-Apr	34	Trachea	63
708	JOLZ00000000	1	12	C	No-symptoms	09-May	48	Trachea	52
696	JOLW00000000	1	12	D	NECII	08-Jun	78	Stools	14
690	JOLN00000000	1	12	E	No-symptoms	19-Jun	89	Stools	64
701	LCWW00000000	2	4	F	NEC III (died)	07-Apr	1	Peritoneal fluid	Index strain
691	JOLQ00000000	2	4	G	No details	19-Apr	12	Sputum	9
767	JNCX00000000	2	4	H	Meningitis (died)	11-May	34	Trachea	38
709	JOLJ00000000	2	4	C	Septicaemia	12-May	35	Trachea	13
705	JOLI00000000	2	4	B	NEC II	24-May	47	Trachea	339
695	JOLG00000000	2	4	J	NEC II (died)	07-Jun	61	Trachea	11
706	JOLH00000000	2	4	B	NEC II	09-Jun	63	Stools	304
692	JOLV00000000	2	4	L	NEC II	13-Jun	67	Stools	15
702	JOLF00000000	2	4	K	NEC I	13-Jun	67	Stools	10
694	JOLM00000000	2	4	M	NEC II	14-Jun	68	Conjunctivae	8
712	JOLE00000000	2	4			17-Jun	71	Prepared formula	6
707	JOLD00000000	2	4	B	NEC II	26-Jun	80	Skin	337
711	JOLC00000000	2	4	O	Asymptomatic	27-Jun	81	Stools	14
730	JOLT00000000	2	4	K	NEC I	27-Jun	81	Stools	10
698	JOLR00000000	2	4	D	NEC II	01-Jul	85	Stools	10
700	JOLL00000000	3	13	P	Digestive problems	15-Jun	1	Stools	Index strain
693	JOLO00000000	3	13	Q	Asymptomatic	18-Jun	3	Stools	4
713	JOLX00000000	3	13			20-Jun	5	End of bottle	4
714	JOLU00000000	3	13			27-Jun	12	End of bottle	3
715	JOLP00000000	3	13			27-Jun	12	Prepared formula	3
716	JOLS00000000	4	14			11-Jul		Infant formula

^aForsythe et al. [2]

NEC necrotizing enterocolitis