The study shows the value in testing and treating HIV before a person even feels sick enough to see a doctor.

VOA: special.2011.05.18

The Hepatitis B subunit vaccine was produced at the same time that HIV-AIDS was being recognized as a problem in this country.

在乙肝亚基疫苗研制出来的同时,在该国家艾滋病开始被视为问题

耶鲁公开课 - 生物医学工程探索课程节选

Well, smallpox affected world history, it's--just as HIV infection is affecting world history now.

天花影响了世界历史,正如艾滋病现在正在影响世界历史

耶鲁公开课 - 生物医学工程探索课程节选

As a result, the agency says HIV rates are falling in sixteen of the twenty-five hardest-hit countries in Africa.

VOA: special.2010.07.14

For example, HIV enters cells of the immune system by binding to a receptor called CD4.

比如,HIV通过与CD4的受体结合,进入到免疫系统细胞中

耶鲁公开课 - 生物医学工程探索课程节选

The gel contains tenofovir. This is a common anti-retroviral drug used to treat people with HIV, the virus that causes AIDS.

VOA: special.2010.07.21

HIV, HIV is a natural virus that contains an enzyme in it.

IV,HIV是一种自然病毒,里面有一种酶

耶鲁公开课 - 生物医学工程探索课程节选

Thirty million dollars from the health care reform law is to go to support prevention activities, including expanded HIV testing.

VOA: special.2010.07.14

HIV infection and AIDS is the one that comes first to mind, and is responsible for this slide, I think this is data from a few years ago, 700,000 deaths per year.

IV感染和艾滋病是我们第一个想到的,在这幅幻灯片上也提到了,我想这是几年前的数据了,每年死亡七十万人

耶鲁公开课 - 生物医学工程探索课程节选

We can virtually eliminate transmission of HIV from mother to child. The Global Fund was established as a financial tool.

VOA: special.2010.03.10

Because HIV is an RNA virus and if it enters your cell the only way it can replicate, it can put its DNA into your cells, is by first making DNA out of its RNA genome.

因为HIV是RNA病毒,如果它进入你的细胞,它复制自己的唯一方式,它能把自己的DNA转入你的细胞,方法是先用自己的,RNA基因组制造出DNA

耶鲁公开课 - 生物医学工程探索课程节选

Studies have shown that male circumcision can reduce a man's risk of getting HIV, the virus that causes AIDS.

VOA: special.2009.04.01

Reverse transcriptase is a naturally occurring protein, it has a biological function in HIV, but we can use it for a technical logical function here by going backwards on the biological path from messenger RNA to DNA.

反转录酶是在自然环境中存在的蛋白质,它在HIV中发挥着生物功能,但在这里它可以发挥一个技术功能,让它用信使RNA反转录出DNA

耶鲁公开课 - 生物医学工程探索课程节选

The researchers say their study shows a vaginal gel substance reduced the risk of HIV infection among women who used it.

VOA: special.2010.07.21

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

VOA: special.2010.03.10

Women who used the gel more than eighty percent of the times when they had sex had fifty-four percent fewer HIV infections.

VOA: special.2010.07.21

Dr.Fauci says earlier treatment led to a ninety-six percent reduction in the spread of HIV to uninfected partners.

VOA: special.2011.05.18

They say it will enable them to protect themselves from HIV infection when involved with sexual partners who refuse to wear condoms.

VOA: special.2010.07.21

The Global Fund has approved proposals for more than nineteen billion dollars to fight HIV/AIDS, tuberculosis and malaria.

VOA: special.2010.03.10

In another development, the United Nations reported Tuesday that the number of young people becoming infected with HIV in Africa is falling.

VOA: special.2010.07.14

In one group,the infected man or woman began to take a combination of three antiretroviral drugs immediately after being found to have HIV.

VOA: special.2011.05.18

But most importantly, we can look to a world that is free of HIV infection in children.

VOA: special.2010.03.10

They say these antibodies can stop more than ninety percent of all known strains of HIV.

VOA: special.2010.07.14

The overall key finding of our study is that the patient in Africa receiving antiretroviral therapy for HIV can expect to live a near-normal lifespan."

VOA: special.2011.07.20

But it also has struggled with racial division, poverty and high rates of HIV/AIDS infection.

VOA: special.2010.06.09

Women who used the tenofovir gel reduced their risk of HIV infection by thirty-nine percent.

VOA: special.2010.07.21

The plan aims to reduce new HIV infections by twenty-five percent within five years.

VOA: special.2010.07.14

We can,for example, given the rate of investment, eliminate malaria as a public health problem, we can prevent millions of more HIV infections and also in tuberculosis.

VOA: special.2010.03.10

None had HIV, genital herpes or HPV at the start of the study.

VOA: special.2009.04.01

"All what we've been able to gain in the past with the access to clean water, expanded immunization programs were totally reversed with the HIV/AIDS epidemic in Africa.

VOA: special.2011.07.20