Ethnographic works and annals of local history indicate that fecal pollution played an important role in causing and intensifying the pandemic.

民族学和地方志文献表明粪水污染在引发和加剧这一泛滥中起着重要作用。

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Local history and culture, been borne in the local annals, are considered as very important elements of the traditional historical records.

地方志书所承载的地方历史与文化，是传统典籍文化的重要组成部分。

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