病原体始终在进化，使免疫系统失去辨认它们的能力。

Pathogens continually evolve, confounding the ability of the immune system to recognize them.

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“冥想练习帮助镇定我的神经系统和使免疫系统较少干涉地运行，”她说。

"Meditation practice helps to calm my nervous system and allows the immune system to function with less interference," she says.

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病毒的繁殖和复制使免疫细胞遭到破坏和毁灭，并放出更多的病毒。

The propagation of the virus and immune cells to reproduce damaged and destroyed, and release more virus.

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Generally, you think about the immune system protecting against different classes of pathogens and several classes of pathogens are shown on this table.

大体上,你们会认为免疫系统使,我们免受不同种类病原体的侵害,这个表格里介绍了几类病原体

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That is, mix it with things which make it more make your immune system respond more strongly.

也就是说,增大剂量以使,你的免疫系统产生强烈的反应

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So, you couldn't introduce the live virus in because that would cause the disease not just immunity.

所以 不可以直接接种活体病毒,因为这会使人致病而不仅是引起免疫应答

耶鲁公开课 - 生物医学工程探索课程节选