Take bubonic plague for example. The disease is most commonly transmitted to humans through flea bites, and the fleas live on rodents.

以黑死病为例。这种疾病最常通过跳蚤叮咬传染给人类，跳蚤生存在啮齿类动物上。

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Lyme disease is caused by a bacterium transmitted to humans by deer ticks.

莱姆病是由鹿蜱传播给人类的一种细菌引起的。

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Rabies is a viral disease usually transmitted by a bite from an infected mammal.

狂犬病是一种病毒病，通常是由被感染动物的咬伤传播的。

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The virus can be transmitted by unsafe sex and unsterile needles, but most people who suffer from the disease become infected at birth from their mothers.

VOA: standard.2010.07.26

Because it's passed by-- can be passed by an oral route it's a disease that's very effectively transmitted in school settings where children are together, or childcare settings.

因为脊髓灰质炎病毒可以,经口传染途径进行传播,因此它是一种,极易在学校传播的疾病,在这些地方孩子们都聚集在一起

耶鲁公开课 - 生物医学工程探索课程节选

If you can block one of those people from getting the vaccine, you also stop-- from getting the disease-- you also stop all the people they would have transmitted it too from getting a disease.

如果你可以防止一个人感染疫苗,你同样可以防止...,刚才应该是感染疾病...,你就同样可以防止所有,可能已经接触过病毒的人群患病

耶鲁公开课 - 生物医学工程探索课程节选

Other studies have associated divorce with increased rates of cancer, stroke, and sexually transmitted disease.

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Its proponents claim that 65 million Americans are afflicted by a sexually transmitted disease.

BBC: NEWS | Programmes | This World | The power of the ring thing

The vaccine against hepatitis B, a sexually transmitted disease, has been given to infants since 1991.

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