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VOA标准英语2011--HIV/AIDS ‘Treatment as Prevention' a T

时间:2011-07-16 03:40:20

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HIV/AIDS ‘Treatment as Prevention' a Top Priority

A top AIDS expert says the best way to control the epidemic1 is to use antiretroviral drugs as a prevention tool. The "treatment as prevention" strategy will be highlighted at next week's AIDS conference in Rome.
Dr. Julio Montaner says the strategy "has progressed from a testable hypothesis to an urgent implementation2 priority."
"We originally came with the recommendation for treatment as prevention back in 2006. We felt at that time that the data was compelling enough to make that recommendation," he said.
It was a policy put in place in Vancouver, Canada, where Montaner heads the British Columbia Center for Excellence3 in HIV/AIDS.
"A lot of people felt that further evidence was needed, that the naysayers had reservations and so on and so forth4. We estimated at that time that treatment could prevent more than 90 percent of the transmission of HIV that we see in the world. Earlier treatment decreases morbidity5 and mortality among those infected with HIV. But secondarily, it decreases HIV transmission," he said.
Evidence
Dr. Montaner will speak at the 6th International AIDS Society Conference on HIV Pathogenesis, Treatment and Prevention in Rome. It runs from July 17th to the 20th. He is the former head of the International AIDS Society and has written about the prevention strategy in The Lancet, a British medical publication.
Recent studies have supported his views. For example, two studies done in Kenya, Uganda and Botswana show that a single pill containing two drugs, taken daily, can prevent an uninfected person from HIV transmission. It's called pre-exposure prophylaxis, or PrEP, and it has a protection rate as high as 73 percent.
Another study shows that when infected people get on treatment early and stay on it, they are much less likely to infect another person during sex. Montaner says the results of a long-term study by the US National Institutes of Health show a protection rate of 96 percent. Those results will be formally released in Rome.
"Let's go with it and we'll see how we can control HIV within this decade," he said.
Promises past and present
In 2005, at the G8 summit in Gleneagles, Scotland, leaders pledged to have universal access to HIV treatment by 2010. That didn't happen. Last month, a high-level UN meeting also committed to providing universal access to 15 million people by 2015.
"Is the political leadership at the global level going to deliver on their promise or is it going to be the same as it happened when they had previously6 promised universal access to treatment by 2010? And we fell short by a third to a half and there was not even an apology," he said.
"The evidence is in," Montaner said. "Treatment is prevention." He rejects arguments that it would too expensive to put millions more people on antiretroviral drugs as a prevention measure. He says in the long run, it would not only save a lot of money, but also save a lot of lives.


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1 epidemic 5iTzz     
n.流行病;盛行;adj.流行性的,流传极广的
参考例句:
  • That kind of epidemic disease has long been stamped out.那种传染病早已绝迹。
  • The authorities tried to localise the epidemic.当局试图把流行病限制在局部范围。
2 implementation 2awxV     
n.实施,贯彻
参考例句:
  • Implementation of the program is now well underway.这一项目的实施现在行情看好。
3 excellence ZnhxM     
n.优秀,杰出,(pl.)优点,美德
参考例句:
  • His art has reached a high degree of excellence.他的艺术已达到炉火纯青的地步。
  • My performance is far below excellence.我的表演离优秀还差得远呢。
4 forth Hzdz2     
adv.向前;向外,往外
参考例句:
  • The wind moved the trees gently back and forth.风吹得树轻轻地来回摇晃。
  • He gave forth a series of works in rapid succession.他很快连续发表了一系列的作品。
5 morbidity OEBxK     
n.病态;不健全;发病;发病率
参考例句:
  • MC's also significantly reduce the morbidity and mortality induced by honeybee venom. 肥大细胞同样也能显著降低蜜蜂毒液诱发疾病的发病率和死亡率。 来自互联网
  • The result shows that incidence of myopia morbidity is 44.84%. 结果表明:近视眼的发病率为44.84%。 来自互联网
6 previously bkzzzC     
adv.以前,先前(地)
参考例句:
  • The bicycle tyre blew out at a previously damaged point.自行车胎在以前损坏过的地方又爆开了。
  • Let me digress for a moment and explain what had happened previously.让我岔开一会儿,解释原先发生了什么。

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