绵羊化疫苗

Broadcast: Jan 6, 2003 By Jill Moss This is the VOA Special English Development Report. Vaccines are special medicines to prevent diseases. They are usually given to children by injection. They have p

发表于:2018-12-07 / 阅读(149) / 评论(0) 分类 VOA2003(上)-健康资讯

The team led by Dr. Josep Maria Gatell, has produced a vaccine which reduces the level of HIV in patients' blood by 90 percent after twelve weeks of vaccinations. The team at Barcelona's Clinic Hospital has been developing the vaccine for the past fi

发表于:2018-12-19 / 阅读(142) / 评论(0) 分类 英闻天下

SCIENCE IN THE NEWS - Polio Vaccine Ban in Parts of Nigeria / Safety Laws Urged for India / Two More Elements? By Broadcast: Tuesday, March 02, 2004 (THEME) VOICE ONE: This is SCIENCE IN THE NEWS, in

发表于:2019-01-02 / 阅读(163) / 评论(0) 分类 科技之光

Health workers say an experimental vaccine may help to stop the spread of Ebola virus disease in the Democratic Republic of Congo. The vaccine is called V920. The drug maker Merck has shipped about 8,600 doses of V920 to the northeastern DRC. The Wor

发表于:2019-01-03 / 阅读(155) / 评论(0) 分类 2018年VOA慢速英语(五)月

By Melinda Smith Washington 24 March 2008 Scientists who have worked for decades to find a vaccine for the HIV and AIDS infections will meet next week at the U.S. National Institute of Health in Bethesda, Maryland to chart a future course for researc

发表于:2019-01-12 / 阅读(156) / 评论(0) 分类 VOA标准英语2008年(三月)

Efforts to eradicate polio have been frustrated by a variety of factors, and unlike smallpox, the disease has defied long-running and expensive efforts to wipe it out. Now, a new study indicates that one of several polio vaccines can be effective at

发表于:2019-01-13 / 阅读(163) / 评论(0) 分类 VOA标准英语2010年(七)月

Struggle Against AIDS Makes Progress But More Gains Needed As communities around the globe mark World AIDS Day December 1, HIV infection rates in some parts of the world are surging, and remaining stubbornly steady in many other regions. At the same

发表于:2019-01-13 / 阅读(163) / 评论(0) 分类 VOA标准英语2011年(十一月)

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(132) / 评论(0) 分类 VOA标准英语2011年(十月)

Progress Has Been Made In Containing Malaria, More Needs To Be Done For every minute that goes by, a child under five years of age dies of malaria. Malaria has been diagnosed on every continent, but sub-Saharan Africa is the region most afflicted. Dr

发表于:2019-01-14 / 阅读(126) / 评论(0) 分类 VOA标准英语2013年(四月)

By Jessica Berman Washington 27 November 2007 Endemic cholera, a potentially fatal diarrheal disease found in the world's poorest countries, could be effectively controlled by orally vaccinating half of the affected populations once every two years f

发表于:2019-01-26 / 阅读(179) / 评论(0) 分类 VOA常速英语2007年(十一月)

Celeb Vaccine Wars: Peet Beats Maher Comedian Bill Maher advises against vaccinations. But actress Amanda Peet--and Dr. Bill Frist--have it right: vaccines are good. Steve Mirsky comments In the celebrity vaccine wars, Im siding with actress Amanda P

发表于:2019-01-30 / 阅读(271) / 评论(0) 分类 60秒科学

HEALTH REPORT - Progress Toward a Malaria Vaccine By Karen Leggett Broadcast: Wednesday, October 27, 2004 This is Gwen Outen with the VOA Special English Health Report. There is progress toward a vacc

发表于:2019-01-30 / 阅读(145) / 评论(0) 分类 健康与经济

DEVELOPMENT REPORT - Malaria Vaccine By Karen Leggett Broadcast: Monday, April 05, 2004 This is Robert Cohen with the VOA Special English Development Report. Graphic Image Malaria is a very serious di

发表于:2019-01-30 / 阅读(182) / 评论(0) 分类 农业与发展

HEALTH REPORT - Vaccine Shows Promise Against a Big Killer of Babies in the Developing World By Cynthia Kirk Broadcast: Wednesday, April 13, 2005 I'm Gwen Outen with the VOA Special English Health Rep

发表于:2019-01-30 / 阅读(163) / 评论(0) 分类 健康与经济

This is the VOA Special English Development Report. An Afghan girl receives a dose of polio vaccine The World Health Organization has begun to use a new vaccine against polio. Officials say it will become a major tool in the campaign to end a disease

发表于:2019-01-31 / 阅读(169) / 评论(0) 分类 2010年慢速英语(一)月

By Gilbert da Costa Abuja 26 October 2007 A rare outbreak of vaccine-derived polio in Nigeria has prompted fears that current efforts to eradicate the disease in northern part of the country could suffer a major setback. The World Health Organization

发表于:2019-01-31 / 阅读(198) / 评论(0) 分类 2007年VOA常速英语(十月)

今天我们要学的词是vaccine。 Vaccine, 疫苗。The Food and Drug Administration approved vaccines designed to protect against the H1N1 flu virus, 美国食品和药物管理局批准了甲型H1N1流感疫苗。 The first doses of the vaccine

发表于:2019-02-05 / 阅读(175) / 评论(0) 分类 英语每日一词

By Carol Pearson Washington, D.C. 18 February 2008 Medical researchers are working on a vaccine for lymphoma, a blood cancer that afflicts both humans -- and dogs. In fact, the veterinary school at the University of Pennsylvania is working closely wi

发表于:2019-02-06 / 阅读(146) / 评论(0) 分类 VOA常速英语2008年(二月)

热词精选:问题疫苗 vaccine scandal 阳春三月,春暖花开,国内外大事接踵而至:两会,博鳌论坛,人机大战,疫苗桩桩件件扣人心弦。一起重温三月大事记。 3. 问题疫苗 vaccine scandal 【背景】 三

发表于:2019-02-17 / 阅读(156) / 评论(0) 分类 英文语法词汇

STEVE INSKEEP, HOST: More than 50 people have been infected by the measles in the Pacific Northwest. Kristian Foden-Vencil of Oregon Public Broadcasting reports the outbreak is prompting people to get vaccinated. KRISTIAN FODEN-VENCIL, BYLINE: Sea Ma

发表于:2019-03-02 / 阅读(176) / 评论(0) 分类 2019年NPR美国国家公共电台2月
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aerospace physiology
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as maturity approaches
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Impatiens loulanensis
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