1叶菜类食物蔬菜类,包括西方人常吃的生菜,它之所以危险,最主要的原因是由于它未经适当清洗。蔬菜常被生吃或被制成生菜沙拉来吃,如果不够清洁,蔬菜很容易被大肠杆菌污染。绿叶蔬菜可能在农场中因接触到野生动物、粪便、不洁水份,或因农夫收割时不注意卫生而受到污染,继而不断滋生病菌,即使收割后洗过,也并不保证可以安全食用。 1 leafy vegetables and vegetables, including lettuce commonly used by Westerners, it is dangerous, the main reason is because it is not properly cleaned. Vegetables are often eaten raw or made into lettuce salad to eat, if not clean, vegetables are easily contaminated by E. coli. Green leafy vegetables may be contaminated by contact with wild animals, excrement, unclean water on farms, or farmers failing to pay attention to hygiene when harvesting. They will continue to develop germs and will not be safe to eat even after they have been washed.