Some digging around in historical records revealed that there was a change in the incidence of water-borne disease at that time, especially dysentery.

一些历史记录显示，当时水源性疾病的发病率发生了变化，尤其是痢疾。

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But 800 million are still at risk of water-borne disease.

但是还有8亿人仍然受到着水生疾病的威胁。

youdao

But 800 million are still at risk of water-borne disease. Katherine Harmon reports.

但是还有8亿人仍然受到着水生疾病的威胁。

youdao

The mosquito-borne disease kills a child every 30 seconds, with communities in Africa most at risk.

VOA: standard.2010.01.20

"JE is a vector-borne disease, " notes Yap Han Heng, a professor with the Malaysian Science University.

CNN: ON DEADLY GROUND

Tracking food-borne disease is also complicated by the number of illnesses thought to be caused by unknown pathogens.

ECONOMIST: Food poisoning

The study analyzed food-borne disease outbreaks for 11 years from 1998 through 2008 to calculate an annual rate.

WSJ: Vegetables Are the Main Cause of Food-Borne Illness, CDC Study Finds