Though first described in the 1950s, the virus causing the disease was not identified until 1969.

虽然首次于1950年代描述，但是直到1969年才确定引起该病的病毒。

youdao

It was shown that the low content of selenium in the environment is one of the important factor causing the disease.

研究表明，环境低硒是大骨节病发生的重要因素之一。

youdao

It suggests the genes responsible are usually beneficial, causing the disease only if present in the wrong combinations.

很有可能这些基因通常是有益的，只有出现在错误的组合中才会造成孤独症。

youdao

But the disease also appeared in a cooler climate in two thousand seven, causing concern about its spread.

VOA: special.2009.04.13

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

Since 2004, the USDA has removed the brain and the spinal column, the parts suspected of causing mad cow disease in humans, from the food system.

CNN: USDA quarantines 2 farms in mad cow investigation

The modern hunt for disease-causing genes began in the early 1980s with the advent of new gene-splicing methods.

FORBES: On The Cover/Top Stories

"It's incredibly fast when you think that the mutation causing this disease was discovered less than 10 years ago, " Kieran said.

CNN: Advances in kids' early aging disease