VOA慢速英语2018 专家称脊髓灰质炎可能会卷土重来

Experts: Polio Could Again Spread Worldwide Thanks to an effective vaccine, the polio virus has disappeared from most of the world. But, a few cases remain in areas that are among the most difficult to reach. 得益于一种有效的疫苗，脊髓灰质

VOA标准英语2010年-Gates Foundation Pledges $10 billion f

More than 250 million children have been immunized. And...five million deaths have been prevented with that kind of support. Those are phenomenal sums. The Bill and Melinda Gates Foundation Friday pledged $10 billion dollars over the next 10 years to

奥巴马每周电视讲话：总统呼吁采取措施防控寨卡病毒（01）

Earlier this year, I got a letter from a South Carolina woman named Ashley, who was expecting her third child. 今年早些时候，我收到一封来自南卡罗来纳州阿什利女士的来信，她正期盼第三个孩子降临。 She was, in her

Bush: US Determined to Carry on Space Exploration

Broadcast: Feb 04, 2003 President Bush says America is determined to carry on the space exploration that was so important to the crew of the space shuttle Columbia. Mr. Bush says the seven astronauts

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Vaccine - a planned exposure to an antigen in order that memory B lymphocytes can retain a memory for it. In practice the organism carrying the antigen is either killed or modified so that it does not

英语杂谈：101 Temperature-sensitive genes

Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated some of the essential genes that allow bacteria to tolerate their harsh living conditionsbecause these same genes might help in the creation of

VOA慢速英语2013 New Vaccine Shrinks Head and Neck Cancers

New Vaccine Shrinks Head and Neck Cancers From VOA Learning English, this is SCIENCE IN THE NEWS, in Special English. Im Bob Doughty. And Im June Simms. Today, we tell about a new vaccine for fighting cancers in the head and neck. We tell about progr

VOA慢速英语2010年-Health Report - Groups Seek $4 Billion

This is the VOA Special English Health Report. Vaccines and chest compressions are both ways to save lives. Now, separate new reports say each could save more lives if they were used more. One report is from the International Federation of Red Cross

VOA慢速英语2014 贫穷国家儿童死亡率与发达国家之间的差距缩小

AS IT IS 2014-11-12 Child Death Rates Narrow Between Poor and Rich Countries Death rates of young children have dropped to record lows in developing countries. Experts say there are two main reasons for the decrease. They are improved government acti

VOA标准英语2011--Promising Target For Malaria Vaccine Identified

Promising Target For Malaria Vaccine Identified British researchers have discovered a biochemical key used by the malaria parasite to invade human blood cells. The discovery could pave the way for an effective malaria vaccine. The Plasmodium malaria

VOA标准英语2012--New Immunization Effort Launched

New Immunization Effort Launched Over the next three months, about 50 million young people in seven African countries will be vaccinated against meningitis. Its part of larger campaign to eliminate the disease in 26 at-risk countries. Meningitis is a

VOA标准英语2010年-WHO Says New Vaccine Could Eradicate P

A new polio vaccine gives hopes that the disease can be completely eradicated. Polio can cause severe deformities and paralysis in children. The number of polio cases worldwide has dropped by over 99 percent in recent years because of a global vaccin

VOA标准英语2010年-In Cameroon, TB Vaccine Breakthrough E

Deaths from tuberculosis are increasing in the developing world and especially in Africa. It's the world's second deadliest infectious disease after HIV/AIDS. In 2008, nearly two million people died of TB and researchers warn that mortality rates wil

VOA标准英语2013--Researchers: Immunization Efforts Falling Short

Researchers: Immunization Efforts Falling Short Researchers said that despite progress immunizing African children against disease, vaccination efforts are falling far short of whats needed. They warn that vaccine supply and cost need urgent attentio

VOA标准英语2013--Sequestration Puts Malaria Vaccine Trial in Jeopardy

Sequestration Puts Malaria Vaccine Trial in Jeopardy No buzz is heard. But you can almost feel the vibration of 10,000 mosquitoes. Instinctively, you scratch, even though no insect is freely flying. The females are attracted to body heat to feed on b

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促进医疗创新实现全球健康目标 This September will mark the end of the U.N. Millennium Development Goals and the beginning of the Sustainable Development Goals. One of the proposed 17 goals calls for ensuring healthy lives and promoting w

英语听力—环球英语 1284 Vaccine for HIV

Voice 1 Welcome to Spotlight. Im Ryan Geertsma. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Since 1981, more than 30 million

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There are some antiviral drugs that doctors may use to treat influenza. Each year, medical researchers work to develop vaccines to prevent the flu from infecting people. No one knows yet exactly how much protection the vaccine provided people this fl

DEVELOPMENT REPORT - Gates Foundation Gives $750 Million to

DEVELOPMENT REPORT - Gates Foundation Gives $750 Million to Vaccines Alliance; $43 Million Goes to Malaria Drug Project By Jill Moss Broadcast: Monday, February 07, 2005 I'm Gwen Outen with the VOA Sp

HEALTH REPORT - Bird Flu and Beyond: Health News in 2005

HEALTH REPORT - Bird Flu and Beyond: Health News in 2005 By Cynthia Kirk Broadcast: Wednesday, December 28, 2005 I'm Doug Johnson with the VOA Special English Health Report. We look back this week at