Conclusions It can be inferred that flooding caused spread of snail, increases of human water contact and infection, and therefore, speeded up the endemic of Schistosomiasis.

结论洪灾造成钉螺扩散，增加人群暴露与感染，在血吸虫病传播动力学的主要环节上起促进作用。

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Officials admit that despite their clean-up efforts the water remains at the lowest grade in China's water-quality scale, unfit for human contact, and that another "big bloom" is possible this year.

官员们承认，尽管他们的清理工作仍在中国水的水质尺度的最低等级，不适合人类接触，而今年的另一个“大花”是可能的。

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Such terms gloss over the fact that, just like the pipes that carry water, the tubes that carry bits are reliant on old-fashioned, low-tech spadework, human contact and the geographical reality in which all that exists.

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