By Jessica Berman Washington 31 July 2006 It could be the dream of anyone who has spent years trying to lose weight. Scientists have developed a vaccine that causes and maintains weight loss. So far, the drug has only been tested in rats. But resear

发表于:2018-12-08 / 阅读(82) / 评论(0) 分类 2006年VOA标准英语(七月)

RACHEL MARTIN, HOST: The pharmaceutical giant Merck is pulling out of an agreement to sell a lifesaving vaccine to poor countries at a reduced cost. At the same time, the company has just started sending the vaccine to China, where it will likely be

发表于:2018-12-08 / 阅读(54) / 评论(0) 分类 2018年NPR美国国家公共电台11月

By Mil Arcega Washington, D.C. 23 August 2006 watch Diesel report Drivers looking for alternatives to high gasoline prices are increasingly turning their attention to hybrids and so-called smart cars. But as VOA's Mil Arcega reports some are taking

发表于:2019-01-09 / 阅读(163) / 评论(0) 分类 2006年VOA标准英语(八月)

By Jessica Berman Washington 05 October 2006 U.S. researchers have developed a vaccine that offers protection against a common allergy trigger in the United States known as ragweed. Scientists say the development has the potential to guard against a

发表于:2019-01-10 / 阅读(118) / 评论(0) 分类 2006年VOA标准英语(十月)

This is the VOA Special English Health Report. H1N1 flu continues to spread. Currently the virus is most active in the northern half of the world. But experts say it has become the leading influenza virus in all countries. No one really knows how ma

发表于:2019-01-11 / 阅读(83) / 评论(0) 分类 VOA慢速英语2009年(十一)月

By Deborah Block Washington, D.C. 26 June 2006 watch Bird Flu report Researchers are working on developing vaccines for bird flu before it becomes a worldwide epidemic. The University of Massachusetts Medical School in the United States has teamed w

发表于:2019-01-13 / 阅读(140) / 评论(0) 分类 2006年VOA标准英语(六月)

By Ron Corben Bangkok 24 September 2009 US Ambassador to Thailand Eric John (L) with Thailand Minister of Public Health Witthaya Kaewparrdai after press conference in Bangkok, 24 Sep 2009 In a major scientific breakthrough researchers in Thailand sa

发表于:2019-01-13 / 阅读(67) / 评论(0) 分类 VOA标准英语2009年(九月)

Scientists Seek HIV Vaccine Using Monkey Model Traditional vaccine methods have been unsuccessful in preventing infection by HIV, the virus that causes AIDS. New techniques are being studied to boost antibodies or other parts of the immune system. Bu

发表于:2019-01-13 / 阅读(55) / 评论(0) 分类 VOA标准英语2012年(九月)

Scientists Gather for AIDS Vaccine 2011 The largest conference on AIDS vaccine development is being held in Bangkok, Thailand FROM September 12th to the 15th. Researchers will discuss how to build on recent advances in a time of tight budgets. Organi

发表于:2019-01-13 / 阅读(58) / 评论(0) 分类 VOA标准英语2011年(九月)

Malaria Vaccine Shows Acceptable Safety, Efficacy Results An international health alliance working to develop a vaccine against malaria says one of its most advanced vaccines, called RTS,S, shows promising results. After two years of human clinical t

发表于:2019-01-14 / 阅读(48) / 评论(0) 分类 VOA标准英语2011年(十月)

Medical Panel Recommends Boys Get Controversial Vaccine The U.S. Centers for Disease Control and Prevention may soon recommend that boys and girls get a vaccine protecting them from the human papilloma viruses, a group of viruses that are transmitted

发表于:2019-01-14 / 阅读(53) / 评论(0) 分类 VOA标准英语2011年(十月)

About 2.5 million Muslims are converging on Mecca this week to take part in the annual Hajj. This year many pilgrims are adding extra step to their preparations for the ritual - getting the H1N1 vaccine. Elizabeth Arrott | Cairo 23 November 2009 The

发表于:2019-01-14 / 阅读(51) / 评论(0) 分类 VOA标准英语2009年(十一月)

A European medical society has expressed alarm at the widespread opposition in Europe against the swine flu vaccine. Meanwhile, experts say the number of deaths in Europe from the H1N1 virus are doubling every two weeks. Lisa Bryant | Paris 25 Novem

发表于:2019-01-14 / 阅读(51) / 评论(0) 分类 VOA标准英语2009年(十一月)

By Lisa Bryant Paris 20 October 2009 A group of researchers says an experimental AIDS vaccine trial in Thailand shows the shot has a modest but significant effect -- and that it offers hope for the future. Findings which were presented at an interna

发表于:2019-01-14 / 阅读(40) / 评论(0) 分类 VOA标准英语2009年(十月)

By Carol Pearson Washington 03 July 2007 A second cervical cancer vaccine has passed a key clinical trial and its maker is seeking to use the vaccine in countries around the world. As VOA's Carol Pearson reports, more women may be able to use this ne

发表于:2019-01-16 / 阅读(179) / 评论(0) 分类 2007年VOA标准英语(七月)

By Zulima Palacio Washington, DC 03 February 2006 watch Lassa report When it comes to dangerous jobs, we usually think of things like racing cars, testing explosives or exploring space. Actually, one

发表于:2019-01-22 / 阅读(120) / 评论(0) 分类 2006年VOA标准英语(二月)

cBy Scott Bobb Soweto 05 March 2007 watch Vaccine report Researchers in South Africa have launched trials of a promising vaccine they hope will help prevent the spread of the deadly HIV/AIDS virus. Three thousand volunteers are being injected with t

发表于:2019-01-30 / 阅读(99) / 评论(0) 分类 2007年VOA标准英语(三月)

By Alex Villarreal Washington 22 February 2008 President Bush has wrapped up a tour of sub-Saharan Africa, where he focused on malaria and other health issues on the continent. Most health experts say controlling the disease requires many approaches.

发表于:2019-01-31 / 阅读(62) / 评论(0) 分类 VOA常速英语2008年(二月)

By Carol Pearson Washington, DC 19 June 2006 watch Cervical Cancer report Cervical cancer vaccine A couple of weeks ago, the world's first vaccine against a cancer that affects women was hailed as a medical breakthrough. Non-profit agencies and a bi

发表于:2019-02-02 / 阅读(113) / 评论(0) 分类 2006年VOA标准英语(六月)

By Carol Pearson Washington 17 October 2009 A girl receives an H1N1 vaccination Countries in the northern hemisphere are starting to distribute the H1N1 flu vaccine as part of a massive immunization program against the viral pandemic. Parents and so

发表于:2019-02-12 / 阅读(56) / 评论(0) 分类 VOA标准英语2009年(十月)