As for viruses, the main culprits are enteroviruses, especially coxsackie virus, and herpes simplex virus.

至于病毒，罪魁祸首是道病毒，尤其是手足口病毒、单纯疱疹病毒等。

Polymerase chain reaction, or PCR, might be used to find Specific causes like HIV, enterovirus, HSV, or tuberculosis.

聚合酶链式反应，或PCR，可能被用来筛查出特定病因，比如HIV、道病毒、HSV、肺结核病毒等。

There's a virus that's been spreading in some parts of the U.S. It's called enterovirus.

在美国部分地区广这种病毒被称道病毒。

This particular virus is called enterovirus D 68, and they are seeing it mostly in the Midwest and the Southeast.

这种特殊病毒被称道病毒68，在中西部和东南部多发。

There are dozens and dozens of different types of enteroviruses and they cause different kinds of symptoms.

很多种不同类道病毒都会引发不同病症。

Other signs to watch out for in this particular strain of enterovirus include coughing, fever or getting a rash.

它症发症状表现还包括咳嗽，发烧或者出现皮疹。

D68 is different from other enteroviruses in that it almost exclusively attacks the upper respiratory system.

D68 与其他道病毒不同之处在于它几乎专门攻击上呼吸道系统。

There's something about this particular type of enterovirus that gives much more severe symptoms that often land people in the hospitals.

这种道病毒可以引起很多种不同并发症。

It's common. And it's usually not deadly, but a particular strain of enterovirus has sent hundreds of kids to the hospital this summer.

这是一种很常见病毒，通常来讲并不致命，但今夏已将数百名孩子送进医院。

Proof of an enterovirus infection is not required for a case to be counted, mainly because such evidence has been hard to come by.

一个病例统计不需要病毒感染证据，主要是因这些证据很难被证实。

And often an enterovirus is really no big deal. If you've ever had a summer cold, there's a very good chance that that was caused by an enterovirus.

通常感染一种道病毒不是什么大问题。如果你夏天曾经感染感冒，很可能是道病毒引起。

This type of enterovirus has been around since the 1960s, it's popped up here and there in the United States and in other countries as well.

这种病毒自二十世纪六十年代以来就已经存在，突然在美国各个地方和其他国家肆虐。

This summer, the US has seen an unusual outbreak of enterovirus, a big, diverse group of viruses that can cause illnesses ranging from summer colds to polio and hand, foot, and mouth disease.

今年夏天，美国爆发了一次不寻常道病毒疫情， 这是一大类多样化病毒，可引起从夏季感冒到小儿麻痹症和手足口病等多种疾病。

" entero" in enterovirus refers to our intestines, but because D68 kept a low profile, it became so obscure that no one kept any records about how many people were being infected or where.

道病毒中“entero” 指是我们道， 但由于D68低调，它变得晦涩难懂， 以至于没有人记录有多少人被感染， 在哪里被感染。