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

只有电脑联网，蠕虫就感网上的病毒。

The search begins for who else may have been affected.

那么之后就开始搜寻其他被感的人。

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

所以如果你做了感新冠病毒的事，不要再这么做了。

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

但是鼻用疫苗提供一种预防感的新途径。

The condition increases the chances of infection of the uterus.

这种情况增加子宫感的率。

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

如果麦地那龙线虫断了，其剩余部分引起严重的感。

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

若没有抗生素，常规的医疗程序也引起致命的感。

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

周一症候群似乎具有传性，感一周中的其他天。

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

如未治疗，艾滋病毒最终杀死被它感的特定T细胞。

You're going to get an infection, guaranteed.

不然绝对被感的。

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

因此人们认为感严重疾病的性降低。但事实并非如此。

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

杀伤性T细胞破坏感的细胞。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?

但是否这一发现意味着科学帮助人们创造出世界范围内所有人都受感的流行音乐呢？

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

如果没有正确配戴口罩，反而增加感的风险。

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

如果病原体是病毒，此时NK细胞帮助摧毁被感的细胞。

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

首先，医生清洗受感的伤口并给予抗生素治疗，杀死细菌并防止毒素进一步产生。

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

当然，我进入药房有感的危险，但是不老想着这个。

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

他们将观察早期感是否影响再次感的严重程度。

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

因此，认为只有老年人感的观点，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，肯定发现大量的感，并发展为失控的流行病。