标签：天花疫苗 相关文章
The sign to America apart guess is response by audible.com. A little more online resource for access out your books and more, and now audible.com is for sign American listeners free out of your notebook for your choice. For details, go to audible.com
Scientific American(十二)月
Health Report - What Happens When TB Becomes Untreatable? 健康报道 - 抗药性肺结核病蔓延 This is the VOA Special English Health Report. 这里是美国之音慢速英语健康报道。 In December, doctors in Mumbai, India, reported about
2012年VOA慢速英语(二)月
Millions More Children to Receive Vaccines More than one million children die each year from severe diarrhea and pneumococcal disease. Today (Tuesday), the GAVI Alliance announced an expanded campaign against the two leading killers of children world
VOA标准英语2011年(九月)
Oral Cancer Caused by HPV Soars in Developed Countries The human papillomavirus, HPV, is actually many different viruses. One particular strain causes oral cancer, and doctors say the number of cases is reaching epidemic levels. Most of the victims a
VOA标准英语2013年(六月)
科学家发现杀害疾病传播型蚊子的新方法：干扰其泌尿过程。 Message to Mosquitoes: Urine Trouble You know how uncomfortable it feels when you really have to go to the bathroom? And you have to hold it in? If researchers get thei
60秒科学
WHO: Almost 13 Million Babies Missed Vaccines in 2016 The World Health Organization (WHO) says almost one in 10 babies worldwide received no vaccines in 2016. 世界卫生组织表示，2016年全球有近十分之一的婴儿没有接种疫苗。 Th
2017年VOA慢速英语(七)月
By Kent Klein Washington 26 March 2008 AIDS researchers are discussing where to go next, after a potential vaccine failed in two human trials several months ago. As VOA's Kent Klein reports, numerous approaches were considered at the Summit on HIV Va
VOA标准英语2008年（三月）
The World Health Organization says it expects the first anti-Swine Flu vaccines to be available in September. WHO says clinical trials to test their efficacy and safety are going on in five countries. Technicians handle samples to be tested for swin
VOA标准英语2009年(八月)
Niger Meningitis Outbreak Worsens 尼日尔脑膜炎疫情恶化 A meningitis epidemic in Niger has infected well over five thousand people and killed more than 350. The medical aid group Doctors Without Borders warned theres no vaccine available for
VOA标准英语2015年(五月)
This is the VOA Special English Health Report. The H1N1 flu virus that has spread around the world is especially risky for pregnant women. If they become infected, especially after the first three months of pregnancy, they can get very sick or even
VOA慢速英语2009年（八）月
The World Health Organization says it has reached a limit in its fight against diseases and disasters. Director-General Margaret Chan says the agency is overextended and faces serious funding shortfalls. Dr. Chan says the WHO is no longer operating a
2011年VOA慢速英语(一)月
Vaccine Attacks Breast Cancer in Mice Scientists have developed a vaccine which reduces breast cancer tumors in mice. The researchers say it may work against a number of other cancers, too, if it works in humans. Vaccines boost the body's immune syst
VOA标准英语2011年(十二月)
Helper Serum Boosts Effectiveness of Flu Vaccine Vaccines against swine and avian flu can be made more effective by the addition of a helper serum known as an adjuvant. The finding from a new study could let vaccine makers stretch supplies and possib
VOA标准英语2011年(六月)
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）
By Lisa Schlein Geneva 24 December 2007 The World Health Organization says the most infectious type of polio could be eradicated worldwide by next year, leaving only one more strain of the disease to be tackled. WHO, which began its global polio erad
VOA常速英语2007年（十二月）
By Steve Mort Orlando, Florida 16 January 2007 watch Cheap Vaccines report A U.S. scientist is developing a method to produce inexpensive vaccines against disease. Professor Henry Daniell, from the University of Central Florida, has found a way to g
2007年VOA标准英语（一月）
By Martin Secrest Washington, D.C. 06 February 2007 watch Vaccine report Bird flu continues to worry Asia. The H5N1 virus killed 4,000 chickens in southern Japan in recent weeks. The virus has also been reported recently in Indonesia, Thailand, Chin
2007年VOA标准英语（二月）
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. Chinese worker displays vials containing H1N1 flu vaccine by
VOA标准英语2009年(九月)
平昌奥运会总结向；美朝韩三角关系焦灼微妙 Welcome to 'Today' - an hour of world news and analysis -- Today keeps you informed and inspired. I'm Suyi Coming up: --PyeongChang Winter Olympics conclude --South Korea says the North is
The Beijing Hour 新闻纵贯线
Measles was eliminated in the US 19 years ago. The only cases now are those that are imported from other countries. Thats happening in the US with greater frequency. Measles is incredibly contagious. Once it gets around the community, its very diffic
VOA标准英语2019年(二月)