Table 1. Isolates from fecal specimens of party participants during outbreak of gastroenteritis associated with Escherichia albertii, Japan*.

Isolate	Origin of isolates
	Participants, n = 44				Kitchen staff, n = 10
	Symptomatic	Asymptomatic	No information		Symptomatic	Asymptomatic
E. albertii†	21	1	0		0	2
E. albertii† and E. coli O183:H18‡	7	0	0		0	0
E. coli O183:H18‡	3	0	0		0	0
None	6	5	1		0	8

*None, negative for both pathogens.
†Initially identified as atypical (lactose negative) E. coli OUT:HNM harboring the intimin (eae) gene.
‡Initially identified as eae negative E. coli OUT:H18 harboring the Shiga toxin 2d and enteroaggregative E.coli heat-stable toxin genes.