它通过受感染跳蚤的咬伤、直接接触、吸入和极少摄入传染物在动物与人之间传播。

It is transmitted between animals and humans by the bite of infected fleas, direct contact, inhalation and rarely, ingestion of infective materials.

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传染病的感染途径有几种。

Infectious diseases can be acquired in several ways.

《牛津词典》

该系统将大大减少从农业中感染的许多传染病的发病率。

The system would greatly reduce the incidence of many infectious diseases that are acquired at the agricultural interface.

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And so you can see the pneumonia, tuberculosis, the communicable diseases, infectious diseases, for the most part, are taking the most lives at that point.

你可以看到肺炎,肺结核,传染病,感染性疾病,是夺走大多数人生命的主要原因

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Now in some--in the chronic respiratory diseases there's some infection but most of the other things are caused by lifestyle or by other factors, not the infectious diseases.

如今一些,如慢性呼吸道疾病,有一些是传染所得,但大多数,都是生活方式或其他因素导致的,而不是感染性疾病

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And he hypothesized that they were getting the disease in cows, which the disease from cows that caused a milder disease than smallpox, and that protected them from getting the more severe forms of smallpox later.

他假定奶牛将这种疾病传染给挤奶女工,这种源自奶牛的疾病比天花更温和,它保护女工们,免受更为严重的天花感染

耶鲁公开课 - 生物医学工程探索课程节选