Air, water, clothing and insects are all means of infection.

空气、水、衣服、及昆虫都会成为疾病的传染媒介。

《新英汉大辞典》

They may even lack sufficient water for basic hygiene - to wash themselves and their clothes, and to prevent infection including from foodborne and waterborne diseases.

他们甚至可能缺乏充足的水用于基本卫生—洗澡和洗衣服，以及预防包括由食源性和水源性疾病造成的感染。

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But especially in rural India, where women often go back to the fields mere days after giving birth, babies’ diets are often supplemented with cow’s milk and water, which exposes them to infection.

但是，在偏远的印度山区，妇女们通常在生下孩子几天后就下地干活了，孩子的事物抓哟来源于牛奶和饮水，这都增加了婴儿感染疾病的风险。

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You can become dehydrated and die just as a result of the loss of water there, because of your body's natural response to the infection.

就会脱水,而失水的后果就是死亡,这是你身体对于这种感染的自然反应

耶鲁公开课 - 生物医学工程探索课程节选

Limescale in hard water allows the growth of amoebae and the infection seems to be caused when wearers allow tap water to come into contact with their lenses when storing them or washing and showering.

BBC: Blindness risk for contact lens wearers

Daubenton's bats rarely roost in houses - preferring habitats near water - and the infection has not been found in the more common pipistrelle bat.

BBC: NEWS | UK | England | Manchester | Health warning over 'rabid' bats

Other impacts associated with inadequate sanitation include an estimated 260 million people infected with schistosomiasis, a potentially fatal parasitic infection spread through contact with contaminated water.

FORBES: Connect