They were used to help create polio vaccine.

它们被助制造脊髓灰质炎疫苗。

The Salk polio vaccine is a success. The vaccine works.

索尔克脊髓灰质炎疫苗取得成功。疫苗起作。

The goal is to end transmission of the wild polio virus.

目标是结束野生脊髓灰质炎病毒的传播。

It is similar to how polio vaccines are made.

这与脊髓灰质炎疫苗的制造方法相似。

But the world was close to polio eradication before.

但是世界在之前非常接近根除脊髓灰质炎。

Common vaccines are the polio vaccine and the small pox vaccine.

常见的疫苗有脊髓灰质炎疫苗和天花疫苗。

Polio mainly affects children under five years of age. The virus is passed through food or water.

脊髓灰质炎主要影响五岁以下儿童。

Poliomyelitis, or polio, is a paralyzing and potentially fatal infectious disease caused by the poliovirus.

脊髓灰质炎（又叫小儿麻痹症）是一种由脊髓灰质炎病毒引起的传染病，这种疾病能够使人瘫痪，甚至可能致死。

James Amule got polio when he was two years old.

詹姆斯·阿穆尔在两岁的时脊髓灰质炎。

In neighboring India, no polio cases have been reported for the past three years.

在邻国印度，过去三年没有报道出现脊髓灰质炎病例。

Polio has been detected among several children in the area.

在该地区在一些孩子身上已经诊断出脊髓灰质炎。

By 2030 it will be gone.

到2030年，脊髓灰质炎就会消失。

A mutated strain of poliovirus has been reported in more than 30 countries.

还有30多个国家都出现一种脊髓灰质炎病毒变异株。

Wastewater has long been used to look for signs of the polio virus.

长期以，废水一直被寻找脊髓灰质炎病毒的迹象。

At 60 she is the oldest polio worker in the city.

60岁的她是该市年龄最大的脊髓灰质炎工作者。

For example, it has been used in the worldwide fight against polio.

举例说，污水法被于全球脊髓灰质炎的防治工作。

The number of known cases dropped from 350,000 to just 33 in 2018.

2018年，脊髓灰质炎的确诊病例数从35万人下降至33人。

Countries with resurgent polio are struggling as well.

脊髓灰质炎复发的国家也面临同样的困境。

I'm pretty sure we wouldn't have undertaken polio without that example.

我很确定，如果没有这个例子，我们就不会感染脊髓灰质炎。

Unlike smallpox and polio, however, there is no vaccine against HIV.

但和天花以及脊髓灰质炎不同的是，没有对抗HIV的疫苗。