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1·The excrement and the excrement polluted water carry a lot of pathogens of them including the diseaseful virus and worm eggs which threaten seriously the health of the habitants.

粪便中和被粪便污染的饮用水中，含有多种肠道传染病和寄生虫病的病原体，包括致病的病毒和虫卵，严重威胁农民的身体健康。