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

But in some cases, that progressions of the disease would start to affect other organs, in addition to your skin, and your body would become overwhelmed with the infection and eventually die.

但在某些情况下,疾病的蔓延,会开始影响其它器官,不仅是皮肤,你的身体在受到感染后全线崩溃,直至死亡

耶鲁公开课 - 生物医学工程探索课程节选