实际上,2009年,科学家们几乎已经成功了,当时泰国的一个大实验证明了一种实验疫苗保护了三分之一感染HIV病毒的人群。
In fact, in 2009, they nearly got there, when a large trial in Thailand showed an experimental vaccine protected about one third of the people who received it from HIV infection.
这些实验中所用的猴子事先都已接种了由死亡的被感染细胞制成的疫苗。
The monkeys used in those experiments had previously been immunized with a vaccine made from killed infected cells.
几种正处于开发阶段的实验性疫苗(包括大流行性流感疫苗和疟疾疫苗)也添加了角鲨烯,用于增强疫苗效力。
Squalene is being added to improve the efficacy of several experimental vaccines including pandemic flu and malaria vaccines which are being developed.
We talked about attenuating in the laboratory, using cell culture techniques and what we know about mutating viruses.
我们讲过实验室中,利用细胞培养技术培养减毒疫苗,以及我们所了解的减毒病毒
He did a good job in preparing the initial studies to show that it was safe.
他在最初的实验中,做了很好的工作,以证明疫苗是安全的
If we did the experiment where on this booster we included not only the initial antigen but some unrelated antigen, the response to the unrelated antigen called B here, looks like a primary response.
如果实验中我们使用的后续疫苗,不仅包括原抗原,还包括一些无关抗原,这里将对无关抗原的应答称为B,该应答就如同初次免疫一样
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