These gases are very harmful, causing disease and even death.

这些气体是非常有害的，造成疾病，甚至死亡。

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Let us say that there is karma for causing disease in others in other ancestral lives.

让我们这么说，业力来自于在其他别人的祖先的生命里导致的病害。

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There have been other unexpected discoveries of microbes causing disease, the most famous being the bacterium Heliobactor pylori, which turned out to be the major cause of stomach ulcers.

在对微生物引起疾病的研究中有另外一些意想不到的发现，其中最为著名的是幽门螺旋杆菌的发现，它被证明是胃溃疡的主要起因。

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The researchers found that he and three members of his family had two disease-causing mutations in one gene.

VOA: special.2010.03.23

But unlike the Cowpox virus, vaccinea, that we talked about before, this is the real disease causing agent.

但是同我们之前曾讨论过的,牛痘病毒疫苗的不同之处在于,这是可以直接致病的病毒

耶鲁公开课 - 生物医学工程探索课程节选

A group of scientists, mainly in Boston found, importantly, that they could cultivate the polio virus, the disease causing polio virus; they could cultivate it in cell culture.

在波士顿有一队科学家有了重大发现,他们可以培养脊髓灰质炎病毒,也是就引发小儿麻痹症的病毒,他们可以通过细胞培养来孵育这种病毒

耶鲁公开课 - 生物医学工程探索课程节选

He cautions that it is "way too early" to say that the bacteria are causing disease.

FORBES: Bleeding Edge

Moraxella catarrhalis is a common bacterium causing disease in humans.

FORBES: Is Your Doctor Relying On Bad Information?

Experts urged Chinese health authorities to keep testing healthy birds, saying the H7N9 virus can infect birds without causing disease, making it harder to detect than the H5N1 bird flu virus that is more familiar to Asian countries.

NPR: China Kills Market Birds As Flu Found In Pigeons