安东尼奥了解到，母亲信任和喜爱的一个男人把病毒传染给了她。

Antonio learned a man she'd trusted and loved had infected her.

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研究人员发现，实际上这种策略帮助了病毒的传播，因为该策略加速把病毒指向未感染的细胞。

Researchers have found that the strategy actually helps the virus spread, as it speeds the targeting of uninfected cells.

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城市型黄热病：如果受感染的人把病毒带入人口稠密的地区，而这些地区有很多人缺乏免疫力，并有伊蚊生存繁殖，就会发生大流行。

Urban yellow fever: Large epidemics occur when infected people introduce the virus into densely populated areas with a high number of non-immune people and Aedes mosquitoes.

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But if you're trying to use that virus as a gene delivery vector and your body gets rid of it then the therapy has failed, it's ended.

但如果你想把腺病毒作为基因治疗载体,而你的身体清除这种病毒,治疗就失败了,前功尽弃了

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And they did that by intentionally infecting calves, by harvesting their skin when they were at a certain point of the disease, and by isolating the virus from the skin of the calves.

他们有意感染很多小牛,当小牛疾病发展到一定程度,就收割牛皮,然后把病毒从牛皮里分离出来

耶鲁公开课 - 生物医学工程探索课程节选

So cell culture production wasn't an option.

因此把细胞作为病毒培养基行不通

耶鲁公开课 - 生物医学工程探索课程节选