<prompt> Answer this question truthfullyWhat type of toxin does E. coli O157:H7 produce that damages endothelial cells and can result in platelet microthrombi, such as HUS?  <response>: <reason> What type of toxin does E. coli O157:H7 produce that damages endothelial cells and can result in platelet microthrombi, such as HUS? E. coli O157:H7 produces vero-toxin. 