Jonas Salk used these HeLa cells to test the first vaccine for polio.

VOA: special.2010.07.21

Doesn't respond as well to killed vaccines, and that's why the Salk vaccine has to be injected at a high dose.

但却对灭活的疫苗没有那样强烈反应,这也是索尔克氏疫苗为何,必须大剂量注射的原因

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So, this is the stage at which you prevent disease in the Salk vaccine.

那么,这就是索尔克氏疫苗,防止疾病传播的方法

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Now, what happened with the Salk vaccine is that Formaldehyde was used.

索尔克氏疫苗,使用了甲醛进行灭活

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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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Now, the polio vaccine that Salk produced was very effective, but it required a fairly large dose of the vaccine and it had to be injected into the arms of children.

索尔克生产的小儿麻痹症疫苗效果显著,但是,该疫苗的单支注射剂量非常大,而且必须通过小孩的手臂进行注射

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