What is the duration of Yersinia enterocolitica food poisoning?

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The duration of Yersinia enterocolitica food poisoning varies. The bacteria need a chance to grow and divide, so symptoms do not usually begin right at the time of exposure. The incubation period can range from one day to two weeks, although it is usually between four and six days. Once the symptoms start, they generally last between one and three weeks. This is longer than many other types of food poisoning.