Defining the right group of susceptible people is crucial!

定义正确的易感人群至关重要！

" Mon Dieu! But it is that you have the susceptible heart" !

“Mon Dieu！但你有一颗易感的心” ！

Instead, we'd say the incidence for the susceptible population is about twice as high, since only around half of the population is susceptible.

相反，我们会说易感人群的发病率大约是此前的两倍，因有大约一半的人群是易感的。

The pathogen doesn't have enough susceptible people to keep infecting, so it stops spreading.

病原体没有足够多的易感 人群继续感染，因此停止传播。

We might start social distancing, for instance, or the disease might enter a new susceptible population.

例如，我们可能会开始社会距离，或者疾病可能会进入一个新的易感人群。

It's related to the hormone testosterone, which causes a shrinking of hair follicles in susceptible adults.

与激素睾丸激素有关，睾丸激素会导致易感成年人的毛囊萎缩。

It is bound to make us weak and an easy prey to any kind of influence.

这注定会使我们变得脆弱， 成任何影响的易感对象。

And then the last, and the most important -- and it's often overlooked -- is the density of susceptibles.

最后，也是最重要的 - 经常被忽视 - 是易感人群的密度。

They shape how disease outbreaks happen and who is more or less at risk.

们决定了疫情爆发的方式以及易感人群的分布。

So, the number of susceptible people declines over time, proportional to how many people are in both of these groups.

因此，易感人群的数量随着时间的推移而减少，与这两个群体中的人数成正比。

This is the average number of susceptible people one infected person can infect and it varies based on the pathogen.

这是一个感染者可以感染的平均易感人数，并且根据病原体的不同而不同。

So we are what's called the susceptible population, meaning not any of us at the beginning of this had immunity.

所以我们是所谓的易感人群，这意味着我们中的任何人在这开始时都没有免疫力。

At that moment, susceptible people become infected at exactly the same rate as infected people become removed.

此时，易感人群被感染的速度与感染者转归的速度完全相同。

At the same time though, there is plainly some genetic differences across human groups and say with regard to vulnerability to disease.

同时，很明显不同人类群组之间存在一些基因差异， 包括对疾病易感方面的差异。

And it's so contagious that if people aren't vaccinated, nine out of 10 susceptible people will get infected with the virus if they are exposed.

而且的传染性很强，如果人们不接种疫苗，那么十分之九的易感人群一旦接触就会感染该病毒。

During the AIDs pandemic of the 1980s, public health agencies in many countries either couldn't, or wouldn't, properly engage with groups who were susceptible.

在 20 世纪 80 年代的艾滋病疫情期间，许多国家的公共卫生机构要么不能，要么不愿与易感人群进行适当的接触。

Like, if there's a lot of susceptible and infectious people, more susceptible people will become infected, so the number of susceptible people declines more quickly.

比如，如果有很多感染和易感染人群，更多的易感者会被感染，所以易感人群的数量会下降得更快。

You are amiable, Don Lorenzo: Antonia has a susceptible, a loving heart, and is grateful for the favours conferred upon us by your interference with the Marquis.

你很和蔼可亲， 唐·洛伦佐：安东尼娅有一颗易感的、充满爱心的心， 感谢你干涉侯爵给我们带来的恩惠。

Eventually, with " fewer susceptible people out and about and mingling, " Navarro says, there was nowhere for the virus to go-the " herd immunity" talked about today.

最终，随着“四处走动，混杂的易感人群越来越少”，纳瓦罗说，病毒已经无处可去——也即已经形成了今天所说的“群体免疫”局面。

Eventually, at the peak of the outbreak, since there are fewer susceptible people to become infected, infections don't happen as often, which creates a turning point.

最终，在疫情的高峰期，由于感染的易感人群减少，感染不会经常发生，这创造了一个转折点。