Some strains however, such as enterohaemorrhagic E. coli (EHEC), can cause severe foodborne disease.
然而，一些菌株，例如肠出血性大肠杆菌（EHEC）可引起严重的食源性疾病。
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Shigatoxin-producing E. coli (STEC) or enterohaemorrhagic E. coli (EHEC) is a severe strain of E. coli bacterium that is commonly found in the gut of animals, mainly ruminants.
While most E.coli bacteria are harmless, a group called enterohaemorrhagic E. coli (EHEC) can produce toxins, known as Shiga toxins or verotoxins, which damage blood cells and the kidneys.