在19世纪，霍乱在世界各地的蔓延源自印度恒河三角洲的最初宿主。

During the 19th century, cholera spread across the world from its original reservoir in the Ganges delta in India.

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印度教徒在恒河中浸泡借以涤罪。

Hindus purify themselves by bathing in the river Ganges.

《牛津词典》

受到影响的河流包括印度的恒河、西非的尼日尔河以及美国西南部的科罗拉多河等等。

Affected rivers include the Ganges in India, the Niger in west Africa, and the Colorado in the southwestern United States.

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