另外，这些感染了休眠的间日疟原虫的人还不能被确诊，这就意味着有大量的受感染的人，他们都无法被确诊。

Moreover, those carrying dormant vivax parasites in this way cannot be identified, which means there is a huge reservoir of infected people who are in effect invisible.

youdao

在这些特殊的病例中，除了被感染的血液外，严重的组织撕裂和损伤也增加了被感染的风险。

In these particular cases, severe tissue tearing and damage were reported in addition to the presence of blood.

youdao

感染上禽流感的人类的死亡率是50%，但是迄今为止，被感染的人类大多数是通过与被感染鸟类的直接接触而传染上的。

Death rates for human infected are around 50 percent but, so far, humans have been infected mostly by direct handling with infected birds.

youdao

So, they don't start killing all the cells in your respiratory system; they only kill the cells that are harboring the virus.

所以它们不会杀死所有呼吸系统内的细胞,只杀死那些被病毒感染的细胞

耶鲁公开课 - 生物医学工程探索课程节选

So, I have a bacteria infection, stimulates my immune system, I start making antibodies that bind to an antigen specific to that bacteria.

所以 如果我被细菌感染了,我的免疫系统被激活,开始制造抗体,这些抗体结合到细菌特异性的抗原上

耶鲁公开课 - 生物医学工程探索课程节选

So, some of these cases were probably due to polio that was transmitted by incompletely killed virus that was present in the vaccine.

因此,那些病例的发病的原因,是被那些疫苗中携带的,没有被完全杀死的病毒感染

耶鲁公开课 - 生物医学工程探索课程节选