I want to spend some time on that until we talk about-- before we talk about development of the polio vaccine.
我想多花些时间讨论这个问题,在我们讨论,在我们讨论脊髓灰质炎疫苗的发展之前
Let's talk about the polio virus vaccine, keeping those things in mind.
以脊髓灰质炎病毒疫苗为例,你们要记住这些知识点
We want to talk about that same concept today in terms of polio, which is a vaccine that is both made and manufactured in a different way than the smallpox vaccine.
今天我们以小儿麻痹症为例继续讨论疫苗,脊髓灰质炎疫苗的研制与,大规模生产方式同天花疫苗截然不同
The Salk Vaccine is also called the Killed Polio Vaccine, and some people call it KPV, also sometimes called Inactivated Polio Vaccine, IPV, but this is the vaccine I just talked about produced by Salk.
索尔克氏疫苗也叫灭活脊髓灰质炎疫苗,有人将其简称为KPV 有时也被称作,失活脊髓灰质炎疫苗,简称IPV,这个疫苗由索尔克研发,刚才讲过他
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