A diarrhea caused by the pathologenic coli starts as watery stool and later tends to become bloody, so the coli are also called intestinal hemorragic pathologenic coli. One of the characteristics of the coli is to generate a toxin Belo which can cause very serious lesions in kidney or brain. Infectivity and toxicity of O-157 are considered to be as strong as the dysentery bacillus. O-157 may also be present in the dung of domestic animals. Like other food poisoning bacteria, O-157 can be easily destroyed or killed by heating.
Any disinfectant can kill it easily as long as it is used in a proper way.
If you take the following protective measures, there should be no fear because the infection can be prevented to the minimum. To prevent infection, the following methods are effective. In storing, transporting, and preparing food, attend to their sanitation. In case there is a fear of contamination by O-157, make sure to heat the food well. Before dealing with food, wash your hands and cooking utensils well under running water.