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

耶鲁公开课 - 生物医学工程探索课程节选

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

耶鲁公开课 - 生物医学工程探索课程节选

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

耶鲁公开课 - 生物医学工程探索课程节选