They should be especially careful around uncooked meat, domestic animals, human excrement and lake or river water.

他们应特别小心生肉、家畜、人类粪便和湖水或河水。

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Sources sof the bacterium include uncooked produce, raw milk, unpasteurized juice, contaminated water and meat, especially undercooked or raw hamburger.

细菌的来源包括没有煮熟的农作物、生牛奶、未经高温消毒的果汁、受污染的水源或肉，特别是煮得不熟或者是生的汉堡。

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Fruit and nuts, uncooked or cooked by steaming or boiling in water, frozen, whether or not containing added sugar or other sweetening matter.

冷冻水果及坚果，不论是否蒸煮、加糖或其他甜物质。

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