Figure 3From: O157:H7 and O104:H4 Vero/Shiga toxin-producing Escherichia coli outbreaks: respective role of cattle and humansAggregative "stacked-brick" adherence to cultured intestinal epithelial cells. Outbreak E. coli O104:H4 isolate LB226692 (A); an enteroaggregative E. coli (EAggEC) strain (positive control) (B); HUSEC041 (C); HUSEC037 (negative control) (D). Reproduced from [33] with permission (licence number 2775450359431, October 24, 2011).Back to article page