Escherichia coli O157:H7 (commonly referred to as E. coli O157) is a particularly dangerous strain of *E. coli* bacteria that can cause severe and life-threatening symptoms in humans. Here is why E. coli O157 can be deadly:

E. coli O157:H7 produces Shiga toxins (Stx), which are potent and harmful toxins capable of causing severe damage







