Figure 1From: O157:H7 and O104:H4 Vero/Shiga toxin-producing Escherichia coli outbreaks: respective role of cattle and humansCytotoxic effect of Verotoxin (Vtx) 1 produced by an O157:H7 AE-VTEC. Untreated (left) and treated (right) Vero cells in culture (DP collection).Back to article page