If they become infected,especially after the first three months of pregnancy, they can get very sick or even die.

VOA: special.2009.08.18

The last reported case of smallpox in the-- naturally occurring smallpox, was in 1977, a man in Somalia was infected.

最后一例天花报告,自然产生的天花,是在一九七七年,一个索马里人感染了

耶鲁公开课 - 生物医学工程探索课程节选

But it can be acquired in the air, from patients that are from- from other individuals that are infected.

天花会通过空气传播,通过病人和其他感染者呼出的空气传播

耶鲁公开课 - 生物医学工程探索课程节选

That way,H.I.V.-infected women could have plenty of time to get the pouch from a health care provider early in their pregnancy.

VOA: special.2010.05.24

The idea being if I find a pattern across multiple people's computers maybe all of those people are infected with the same kind of malware or virus or worm.

如果我从不同人的计算机中发现了一个模型,这就说明,所有那些人的计算机都感染了相同的,恶意软件，病毒或蠕虫。

哈佛公开课 - 计算机科学课程节选

Others say some women may have had sex with infected men who had very high amounts of the virus.

VOA: special.2010.07.21

So, this is a cell that's infected with a microorganism, it's infected with a virus, let's say it's infected with influenza virus.

这是一个感染了微生物的细胞,它感染了一种病毒,就说是感染了流感病毒吧

耶鲁公开课 - 生物医学工程探索课程节选

The experiment showed that was not a safe way to protect people the bite of an infected mosquito from yellow fever.

VOA: special.2009.01.27

One is that you got to get the vaccine from cows, so you got to have an infected cow in order to produce the vaccine.

一是,你若要想从奶牛身上得到疫苗,那就得有一头奶牛感染病毒

耶鲁公开课 - 生物医学工程探索课程节选

There, researchers are developing a test that uses human saliva instead of blood to find those infected with malaria.

VOA: special.2010.04.20

What if I collect that blood from patients that are already infected with Hepatitis B, purify the Hepatitis B protein, and inject that back into people?

如果我采集那些乙肝患者的血液,抽提出乙肝病毒的蛋白质,并且将其回注入人体内,将会如何呢

耶鲁公开课 - 生物医学工程探索课程节选

He and his doctors believed he had gotten it when he received infected blood after his second heart operation.

VOA: special.2010.02.07

So if you got infected with smallpox, you got the disease.

如果你感染了天花病毒,就会得这种病

耶鲁公开课 - 生物医学工程探索课程节选

The vaccine did not lower the amount of virus in the blood of volunteers who became infected during the study.

VOA: special.2009.10.13

Now, normally that's a good thing because if you're out in the world and you get infected with adenoviruses you recover from it, your immune system can get rid of it.

通常情况下这是好事,这可以让暴露在户外的你,免于腺病毒的侵害,你的免疫系统可以清除病毒

耶鲁公开课 - 生物医学工程探索课程节选

The researchers had a theory. They thought that people who were bitten by infected mosquitoes,but recovered, were protected in the future.

VOA: special.2011.05.31

So, if you look in the blood of patients that are infected with Hepatitis B you find a lot of Hepatitis B surface subunits, proteins without the nucleic acid circulating in their blood.

因此,如果你观察一下,已经感染乙肝病毒患者的血液,你会发现许多乙肝病毒的表面亚基,以及血液循环中存在没有核酸的蛋白质

耶鲁公开课 - 生物医学工程探索课程节选

The experts said you could get infected only if you sit within two rows of someone who is sick.

VOA: special.2009.07.14

And so it didn't take long, once this vaccine were--was available, for people to want to get organized and think about ways of delivering this vaccine to all the regions of the world where people were potentially infected.

这并不会花费很多时间,一旦疫苗生产完毕,一些人就会组织起来,并想办法把将这些疫苗送往,世界上一些地方,那些地方的人很有可能感染疾病

耶鲁公开课 - 生物医学工程探索课程节选

The experiment showed that the bite of an infected mosquito was not a safe way to protect people from yellow fever.

VOA: special.2010.05.18

There weren't people that got infected, like you can get infected with hepatitis B or tuberculosis, and not even know you're infected.

这不像人们感染了,像B型肝炎或者肺结核这类病时,都有可能不知道自己被感染了

耶鲁公开课 - 生物医学工程探索课程节选

To test this idea, the team in Cuba offered $100 to anyone who would agree to be bitten by infected mosquitoes.

VOA: special.2009.01.27

We talked about host cells that are perhaps infected with a virus, displaying pieces of that virus, antigenic pieces of that virus in the context of a surface receptor called MHC-1, presenting that.

我们说到过,可能受到病毒感染的宿主细胞,表现出病毒的一部分特征,病毒的抗原部分,其表面受体称为主要组织相容性抗原-1,MHC-1负责呈递抗原

耶鲁公开课 - 生物医学工程探索课程节选

A new study shows that early treatment greatly reduces the risk that the partner of an infected person will also get infected.

VOA: special.2011.05.18

So, either stimulates the production of-- and differentiation of B-cells, to produce a specific antibody that can neutralize the virus, or stimulates the production of cytotoxic T-cells that can kill infected cells within your body.

所以,疫苗的刺激要么能够,促进B淋巴细胞产生和分化,以生成特定的抗体来杀灭病毒,要么刺激T细胞释放细胞毒素,杀死身体里被感染的细胞

耶鲁公开课 - 生物医学工程探索课程节选

In Uganda,a new study has confirmed earlier research linking the spread of sleeping sickness to infected farm animals.

VOA: special.2010.01.04

The report says two and one-half million people infected with HIV now are being treated with antiretroviral medicines.

VOA: special.2010.03.10

Early identification of the disease may be difficult because many infected people do not show any immediate symptoms.

VOA: special.2010.01.04

The researchers had a theory. They thought that people who were bitten by infected mosquitoes, but recovered, were protected in the future.

VOA: special.2009.01.27

The W.H.O.is now advising infected women to begin antiretroviral drugs at fourteen weeks of pregnancy, instead of twenty-eight.

VOA: special.2009.12.02