标签：Vaccines 相关文章
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
2018年NPR美国国家公共电台11月
US College Students' Inventions Help Developing Countries Many small-scale farmers in East Africa find it hard to grow crops year-round because of drought or too much rain. So a student team from Pennsylvania State University came up with the idea of
VOA标准英语2013年(四月)
Ebola outbreaks before the most recent one have been fairly contained: geographically limited, and just a couple hundred cases. The latest outbreak, though, which started in late 2013 and lasted more than two years, was entirely different. There were
2016年Scientific American(十一)月
By Zulima Palacio Washington 14 September 2007 University scientists in the United States have taken what they say is an important step in the effort to end malaria. At Johns Hopkins Malaria Research Institute, scholars recently identified a sugar in
2007年VOA标准英语（九月）
By Jessica Berman Washington 17 January 2007 If or when it strikes, the avian flu pandemic would likely kill victims by switching on an uncontrolled immune system response. That's according to researchers, who studied a 90-year-old flu virus in the h
2007年VOA标准英语（一月）
This is the VOA Special English Health Report. Evidence is increasing that common influenza viruses are becoming resistant to the main drug used to treat them. The drug is oseltamivir, also known as Tamiflu. The most common seasonal flu virus found
VOA慢速英语2009年（三）月
By David McAlary Washington 23 May 2006 Chickens at US farm Scientists have developed an efficient, cheap way to vaccinate birds against avian influenza and possibly prevent the spread of the deadly H
2006年VOA标准英语（五月）
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
VOA标准英语2012年(九月)
The International Committee of the Red Cross said Gaza is suffering what it calls a full-blown humanitarian crisis. It said the death toll and number of injured is rising, the infrastructure of the Palestinian territory is shattered and civilians la
VOA标准英语2009年(一月)
Scientists Closer to Developing Meningitis Vaccine Scientists may be on track to develop a vaccine for the most common strain of meningitis, which has so far resisted an effective vaccine. Meningitis is a serious disease caused by an inflammation of
VOA标准英语2011年(七月)
Saving Lives, Saving Money With Childhood Vaccines Efforts are underway to speed vaccine development and delivery in 72 countries over the next 10 years. New studies say that would save the lives of more than six million children and save billions of
VOA标准英语2011年(六月)
Poliomyelitis, known as polio, is a viral disease that can cause paralysis. It once infected millions of people each year, but vaccination efforts around the world have brought the yearly number of new cases to just less than 1000. That dramatic redu
VOA标准英语2011年(三月)
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
VOA标准英语2011年(十月)
天主教堂主教抵制天花疫苗 NAIROBI In recent years, the international campaign to rid the world of polio has been hampered in some Muslim countries by claims from some clerics that the polio vaccine is really an undercover campaign to steri
VOA标准英语2015年(十二月)
RACHEL MARTIN, HOST: All right, when you're pregnant, you know that doctors want you to get a few key vaccines. And now the American College of Obstetricians and Gynecologists is trying to make that a little bit easier. For the first time, it's put t
2018年NPR美国国家公共电台6月
Chinese health authorities have given approval to a domestic company to mass produce a vaccine for the H1N1 strain of flu. Unlike other vaccines, this one does not require multiple doses. 中国卫生当局批准一家国内公司批量生产甲型H1
VOA双语新闻 2009年9月
By Lisa Schlein Geneva 02 November 2009 The World Health Organization and United Nations Children's Fund say better nutrition and access to immunization can save millions of children from dying of pneumonia. The two agencies are launching a new acti
VOA标准英语2009年(十一月)
By Lisa Schlein Geneva 11 April 2008 The World Health Organization (WHO) begins a weeklong campaign on Saturday to vaccinate nearly six million people against yellow fever across the southern half of Mali. This is the first time that a mass vaccinati
VOA常速英语2008年（四月）
By Zulima Palacio Washington 08 May 2008 Although the government and researchers halted most clinical trials for an AIDS vaccine, a research institute in Baltimore continues its work on the most deadly virus of our times. Vaccine trials were stopped
VOA标准英语2008年（五月）
By Chad Bouchard Jakarta 07 February 2007 The Indonesian government has announced it is withholding samples of a deadly bird flu virus in light of its new partnership to develop a vaccine with a U.S. drug company. As Chad Bouchard reports from Jakart
2007年VOA标准英语（二月）