Table 1.

Characteristics of STEC O103 serogroup strains

Strain	Source (prefecture in Japan)	Yr	Sporadic/outbreaka	Clinical status or symptom(s)b	H serotypingc	fliC genotyped	stx gene	stx1 integration site	Intimin type	LEE integration site	ehx gene
072676	Miyazaki	2007	Outbreak (5)	Di, Fe, BD	H11	[H11]	stx1	NDe	Beta1	pheUf	+
081163	Yamaguchi	2008	Sporadic	Di, AP, Fe, BD	H11	[H11]	stx1	ND	Beta1	pheU	+
081319	Kanagawa	2008	No data	Di, BD	H11	[H11]	stx1	ND	Beta1	pheU	+
082111	Miyagi	2008	Sporadic	Di, AP	H11	[H11]	stx1	torS/Tg	Beta1	pheU	+
100207	Miyazaki	2010	No data	Di, AP, Fe	H11	[H11]	stx1	torS/T	Beta1	pheU	–
100952	Fukuoka	2010	Outbreak (2)	Di, AP, BD	H11	[H11]	stx1	ND	Beta1	pheU	+
102394	Gifu	2010	Outbreak (2)	Di	H11	[H11]	stx1	torS/T	Beta1	pheU	+
101624	Saitama	2010	Sporadic	Di, AP	HUT	[H11]	stx1	torS/T	Beta1	pheU	-
110780	Miyagi	2011	Sporadic	Di, AP, Fe	HUT	[H11]	stx1	torS/T	Beta1	pheU	+
071049	Osaka	2007	Sporadic	Di, AP	H-	[H11]	stx1	ND	Beta1	pheU	–
080056	Nagasaki	2008	Outbreak (3)	AP	H-	[H11]	stx1	sbcB	Beta1	pheU	–
090688	Yamaguchi	2009	Sporadic	Di, Fe	H25	[H25]	stx1	ND	Theta	ND	+
070373	Miyagi	2007	Sporadic	Di, AP, BD	HUT	[H25]	stx1	ND	Theta	ND	+
080984	Yamagata	2008	Outbreak (2)	Di, BD	HUT	[H25]	stx1	ND	Theta	ND	+
082332	Mie	2008	Sporadic	Di, AP	HUT	[H25]	stx1	ND	Theta	ND	+
080455	Nara	2008	Sporadic	Di, AP, Fe, BD	HUT	[H25]	stx1	ND	Theta	ND	+
082589	Yamagata	2008	Sporadic	Di, AP, Vo, BD	H2	[H2]	stx1	torS/T	Epsilon	ND	+
092412	Nagano	2009	Sporadic	AP, BD	H2	[H2]	stx1	torS/T	Epsilon	ND	+
071556	Fukuoka	2007	Outbreak (2)	Di, AP, BD	H2	[H2]	stx1	torS/T	Epsilon	ND	+
111471	Kagoshima	2011	Sporadic	BD	H2	[H2]	stx1	torS/T	Epsilon	ND	+
111336	Miyagi	2011	Sporadic	Di, AP	H2	[H2]	stx1	torS/T	Epsilon	ND	+
111155	Kagoshima	2011	Outbreak (4)	BD	HUT	[H2]	stx1	torS/T	Epsilon	ND	+

^aThe numbers in parentheses indicate the numbers of confirmed patients (including asymptomatic carrier) in each outbreak.

^bDi, diarrhea; AP, abdominal pain; Fe, fever; Vo, vomiting; BD, bloody diarrhea.

^cHUT, untypeable; H−, nonmotile.

^dTypes listed in square brackets were determined by sequence comparison of the fliC gene.

^eND, not determined.

^ftRNA gene.

^gtorS/T, torS-torT intergenic region.