单词：pertussis vaccine
单词：pertussis vaccine 相关文章
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
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
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
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
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
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
VOA标准英语2010年(七)月
Pertussis Rises, Research Focuses on Vaccine Pertussis is one of the leading causes of unnecessary infant and child deaths worldwide. The deaths could largely be prevented with a vaccine. Most of the cases of pertussis occur in developing countries,
VOA标准英语2012年(十二月)
Record Low Price for HPV Vaccine Millions of girls in developing countries could soon have access to a vaccine that protects against cervical cancer. The GAVI Alliance has announced a record low price for the HPV vaccine. The announcement was made Th
VOA标准英语2013年(五月)
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
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
60秒科学
DEVELOPMENT REPORT – June 17, 2002: New TB Vaccine to be Tested By Jill Moss This is the VOA Special English Development Report. Scientists are preparing to test the safety of a new vaccine medicine
农业与发展
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
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
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
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
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
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
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
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
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
2019年NPR美国国家公共电台2月