Criminals create worms to spread via computers that are connected in a network.

只有电脑联网，蠕虫就会感染网上的病毒。

The search begins for who else may have been affected.

那么之后就会开始搜寻其他可能会被感染的人。

So if you do one high risk activity, don't also do others.

所你做了可能会感染新冠病毒的事，不要再这么做了。

But a nasal vaccine might offer a new way to prevent infections.

但是鼻用疫苗可能会提供种预防感染的新途径。

The condition increases the chances of infection of the uterus.

这种情况会增加子宫感染的率。

If the worm breaks, the remaining part of the worm may cause a bad infection.

麦地那龙线虫断了，其剩余部分可能会引起严重的感染。

Without antibiotics, even routine medical procedures can lead to life-threatening infections.

若没有抗生素，常规的医疗程序也会引起致命的感染。

Mondayitis appears to be contagious, infecting other days of the week.

症候群似乎具有传染性，会感染中的其他天。

If not treated, the HIV eventually kills off the specific T-cells it infects.

未治疗，艾滋病毒最终会杀死被它感染的特定T细胞。

You're going to get an infection, guaranteed.

不然绝对会被感染的。

One might expect, therefore, that severe disease would be less likely. But it is not so.

因此人们可能会认为感染严重疾病的可能性会降低。但事实并非此。

Killer T-cells do the work of destroying the infected cells. The Helper T-cells coordinate the attack.

杀伤性T细胞会破坏感染的细胞。辅助性T细胞负责调节或协助免疫反应。

Does that finding mean that science can help create the world's most universally infectious pop song?

但是否这发现意味着科学能帮助人们创造出世界范围内所有人都会受感染的流行音乐呢？

Wearing a mask can actually increase your risk of getting infected if you wear that mask improperly.

没有正确配戴口罩，反而会增加感染的风险。

If the pathogen was a virus, NK cells would help destroy the infected cells at this point.

病原体是病毒，此时NK细胞会帮助摧毁被感染的细胞。

First, doctors clean the infected wound and administer antibiotics, killing the bacteria and preventing further toxin production.

首先，医生会清洗受感染的伤口并给予抗生素治疗，杀死细菌并防止毒素进步产生。

Sure, there's a risk of contagion when I enter the pharmacy, but you can't dwell on that.

当然，我进入药房会有感染的危险，但是不能老想着这个。

And they will watch to see whether an earlier infection affects the severity of a new infection.

他们将观察早期感染是否会影响再次感染的严重程度。

So this notion that it's just old people: dead wrong.

因此，认为只有老年人会感染的观点，完全是大错特错。

Now that America is looking, it is sure to find scores of infections-and possibly unearth a runaway epidemic.

现在美国正在寻找，肯定会发现大量的感染，并可能发展为失控的流行病。