Last week,government scientists in the United States announced the discovery of two antibodies that raise hopes for an AIDS vaccine.

VOA: special.2010.07.14

So, that was a naturally occurring attenuated virus that could be produced into a vaccine that didn't cause the disease.

因为天花病毒存在天然的衰减病毒,这种衰减病毒可以用来,直接生产不致病的疫苗

耶鲁公开课 - 生物医学工程探索课程节选

So, this just shows as the vaccine was distributed, given to more people, that prevalence of the disease dropped dramatically.

因此,这表明随着疫苗的推广,以及接种人数的增加,该疾病的患病率显著降低

耶鲁公开课 - 生物医学工程探索课程节选

The tests are the first step in human clinical trials of two vaccine candidates developed at the University of Cape Town.

VOA: special.2009.07.29

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

耶鲁公开课 - 生物医学工程探索课程节选

For example, the vaccine has been available to a group of Maasai herders in northern Tanzania for about seven years.

VOA: special.2009.11.03

One can stop spread of disease through a community without being 100% effective in each person who gets the vaccine.

疫苗能够遏制疾病在整个社区中传播,虽然对于每个人来说它并非百分之百有效

耶鲁公开课 - 生物医学工程探索课程节选

Federal health officials said they expect a vaccine for the H1N1 flu to be available by the middle of October.

VOA: special.2009.08.13

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

耶鲁公开课 - 生物医学工程探索课程节选

The hope is to develop a vaccine that could give lifelong protection against a majority of flu viruses, including bird flu.

VOA: special.2009.03.04

Or vaccines that could be transported more easily— the hepatitis vaccine that we get is not stable unless it's refrigerated.

或者令疫苗更易于运输,现在的肝炎疫苗一定要冷藏,否则它就不稳定

耶鲁公开课 - 生物医学工程探索课程节选

The vaccine did not lower the amount of virus in the blood of volunteers who became infected during the study.

VOA: special.2009.10.13

Like we talked about with insulin; make large quantities of this recombinant viral protein, and use that as a vaccine.

就像我们讲过的胰岛素,生成大量重组的病毒蛋白,并将其作为疫苗使用

耶鲁公开课 - 生物医学工程探索课程节选

In other vaccine news, scientists in Britain say they have found a simple, low-cost way to store vaccines at high temperatures.

VOA: special.2010.02.24

You get a vaccine for chicken pox, it gets injected, and sometime later you're going to be protected against it.

当你拿到水痘疫苗,并注射入体内后,一段时间之后,你就可以免于感染

耶鲁公开课 - 生物医学工程探索课程节选

The vaccine has already proven effective at preventing the disease in half of those vaccinated which is more than ever before.

VOA: special.2009.12.22

This curve here with the square shows you how many millions of vaccine doses were distributed across the U.S.

这个带方形的曲线图显示了,在美国数以百万计的,疫苗是如何使用的

耶鲁公开课 - 生物医学工程探索课程节选

The director of its Vaccine Research Center,Gary Nabel, says each antibody blocks the virus from attaching to white blood cells.

VOA: special.2010.07.14

For example, what if you could make a hepatitis vaccine that was good in one shot instead of three shots?

比方说,如果你研制的一种肝炎疫苗,只需接种一次,而不是三次会怎么样

耶鲁公开课 - 生物医学工程探索课程节选

One was the ability of the vaccine to prevent infections from the human immunodeficiency virus, better known as H.I.V.

VOA: special.2009.10.13

Why is it difficult in some cases to produce a vaccine when we've been successful in so many others?

为什么某些疾病的疫苗很难研制,即使我们已经成功生产了很多种疫苗

耶鲁公开课 - 生物医学工程探索课程节选

He and another researcher at the Fox Chase Cancer Center in Philadelphia,Irving Millman, invented the vaccine in nineteen sixty-nine.

VOA: special.2011.05.25

One is if you have to coordinate how you're going to give this vaccine to two million children across the U.S.

首先必须协调合作,如何才能将疫苗,分发给全美国二百万孩子

耶鲁公开课 - 生物医学工程探索课程节选

But last week, two teams working independently reported a discovery that could help lead to a universal flu vaccine.

VOA: special.2009.03.04

Then that subunit was purified and formulated into the vaccine, the kinds of vaccines that you and I got.

然后亚基被纯化出来并制成疫苗,也就是你我被注射的那种疫苗

耶鲁公开课 - 生物医学工程探索课程节选

Scientists say an experimental vaccine reduced the risk of infection in human beings by thirty-one percent and was safe.

VOA: special.2009.10.13

There's no company that's making smallpox vaccine anymore because there's no reason to make smallpox vaccine, because nobody would buy it, right?

没有公司还生产天花疫苗,因为没有人购买天花疫苗,因此早就没有理由继续生产它了,对吧

耶鲁公开课 - 生物医学工程探索课程节选

But he also said additional research is needed to better understand how the vaccine reduced the risk in those individuals.

VOA: special.2009.10.13

You've all been immunized for Hepatitis B, would you be happy to hear that that's where your Hepatitis B vaccine came from?

你们都对乙型肝炎具有免疫力了,如果你知道你的乙型肝炎疫苗,是从何而来的话,你还会高兴的起来吗

耶鲁公开课 - 生物医学工程探索课程节选

And we're going to do that by talking about some examples, some historical examples, in the sort of technology and vaccine development.

我们将通过讨论一些例子来讲解这个主题,一些历史上的例子,关于科技和疫苗发展的例子

耶鲁公开课 - 生物医学工程探索课程节选