You couldn't immunize against polio with a killed virus vaccine.

你不能用灭活病毒疫苗来免疫小儿麻痹症。

Oxford University scientists say their corona virus vaccine could be available as early as September.

牛津大学的科学家说，他们的冠状病毒疫苗最早可能在9月份上市。

Pfizer's one of many companies that are working on a corona virus vaccine.

辉瑞公司是众多研发冠状病毒疫苗的公司之一。

Today's show starts with a look at some possibilities and some controversy concerning a corona virus vaccine.

今天的节目以讨论关于冠状病毒疫苗的可能性和争议开始。

At this week's WHO meeting, officials discussed the practicalities of testing Marburg virus vaccines in Equatorial Guinea.

在本周的世卫组织会议上，官员们讨论了在赤道几内亚测试马尔堡病毒疫苗的可行性。

Lately we have been hearing a lot in the news about governments rolling out the virus vaccine. Right?

最近，我们听到了很多有关政府推出病毒疫苗的新闻。 对吧？

But luckily, there is another type called an inactivated virus vaccine that can be given to just about anyone.

但幸运的是，还有一种灭活病毒型疫苗，可以给所有人注射。

There are also international efforts to develop a corona virus vaccine though one of those is likely months away.

国际上也在努力开发冠状病毒疫苗，尽管它们很可能需要几个月的时间。

Though there were a few vaccines for viruses before the 20th century, that's the century that virus vaccines exploded.

虽然在20世纪之前已经有了一些病毒疫苗，但在那个世纪，病毒疫苗就开始不断涌现。

There are two main ways to fight a virus: vaccines and antiviral drugs.

对抗病毒的方法主要有两种：疫苗和抗病毒药物。

In fact, a group of American doctors is calling for an independent commission to review a corona virus vaccine before it's made available.

事实上，一群美国医生正呼吁成立独立委员会在冠状病毒疫苗上市之前对其进行审查。

We told you earlier this week how Pfizer, an American pharmaceutical company, says it's seen some promising early results from a corona virus vaccine it's working on.

本周早些时候，我们向大家介绍了美国制药公司辉瑞，他们已从目前研究的冠状病毒疫苗中得到了一些有希望的早期结果。

It's been one week since the U.S. drug company Pfizer announced its corona virus vaccine appeared to be 90 percent effective, at least in early data from a Phase 3 trial.

一周前美国制药公司辉瑞公司宣布其研制的冠状病毒疫苗似乎有90%的有效性，至少第三阶段试验的早期数据是这样显示的。

Many people are skeptical of vaccines in general and in a CNN poll conducted in August, 40 percent of Americans said they wouldn't want a corona virus vaccine when it comes available.

许多人普遍对疫苗持怀疑态度，并且在美国有线电视新闻网8月进行的一项民意调查中，40%的美国人称冠状病毒疫苗上市后他们也不会注射。

Qantas, a carrier based in Australia, says international travelers aboard its planes will be required to have had a corona virus vaccine when one becomes available and the head of Qantas says he expects other airlines to do this too.

澳航是一家总部设在澳大利亚的航空公司，当有可用疫苗时，乘坐该公司飞机的国际旅客将被要求接种冠状病毒疫苗，澳航的负责人称，他预计其他航空公司也会这样做。