AZUZ: It's been a while since we reported on the dangerous Zika virus, a disease carried by certain mosquitoes that are present all over the globe. The World Health Organization, part of the United Nations, recently ended its classification of Zika a

发表于:2018-12-02 / 阅读(78) / 评论(0) 分类 CNN美国有线新闻2016年12月

So West Nile virus is transmitted to us to humans by mosquitoes, so everything we can do to avoid contact with mosquitoes, to avoid being bitten is a good thing. First, a lot of the bitting take place in and around your home, so go around the outside

发表于:2018-12-11 / 阅读(76) / 评论(0) 分类 访谈录2012年

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Shirley Griffith. VOICE TWO: And I'm Steve Ember. Today, we tell about diseases spread by mosquitoes -- the most widely hated insects in the world. (MUSIC) VOICE ONE: A female mosqui

发表于:2018-12-15 / 阅读(56) / 评论(0) 分类 VOA慢速英语2009年(五)月

As you've probably experienced firsthand, some mosquito species have a real taste for warm, human blood. So much so that if you raise them on it the lab, they'll accept no substitute. Fortunately, I don't get major reactions at all. Brad Main is a mo

发表于:2018-12-24 / 阅读(93) / 评论(0) 分类 2016年Scientific American(九)月

It's bad enough that mosquitoes suck our blood, and sometimes pass on disease. But there's more. They can actually give you a disease and pee on you at the same time. Adding insult to injury if you will. Jerod Denton, a pharmacologist at Vanderbilt U

发表于:2018-12-24 / 阅读(73) / 评论(0) 分类 2016年Scientific American(十二)月

This is Scientific Americans 60-Second Science. I am Christopher itagliata. Got a minute? The human microbiome means community of tiny organisms that live on us and inside us. These creators play a vital role in our health. They calibrate our min-sys

发表于:2018-12-24 / 阅读(63) / 评论(0) 分类 2014年Scientific American(十)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

发表于:2019-01-06 / 阅读(102) / 评论(0) 分类 2007年VOA标准英语(九月)

Medical science has eliminated only one disease, smallpox. Bill and Melinda Gates called last year for a campaign to stop malaria. But experts differ on the idea. Some say existing measures could reduce cases by 90 percent. Transcript of radio broad

发表于:2019-01-07 / 阅读(65) / 评论(0) 分类 VOA慢速英语2008年(七)月

By Anjana Pasricha New Delhi 05 October 2006 India is struggling to cope with outbreaks of mosquito-borne diseases that have killed more than 100 people and infected thousands of others in recent weeks. Overburdened hospitals and clinics in several

发表于:2019-01-11 / 阅读(121) / 评论(0) 分类 2006年VOA标准英语(十月)

A: The mosquitos are biting me! B: Me, too, I cant stop scratching. They are everywhere! Sneaky little jerks. A: Do you have any bug spray? B: No, I forgot to buy some. A: Then well have to put up with it. B: We can cover ourselves with beer! That wa

发表于:2019-01-11 / 阅读(65) / 评论(0) 分类 纯正地道美语

By Efam Dovi Accra 25 April 2007 Progress has been made in reducing malaria cases in Ghana, but the disease continues to be a primary health concern in the country as well as an economic burden. As the West African nation joins the rest of the contin

发表于:2019-01-12 / 阅读(82) / 评论(0) 分类 2007年VOA标准英语(四月)

By Cathy Majtenyi Bujumbura 24 April 2006 Every 30 seconds a child in Africa dies of malaria. Health care workers report a drop in malaria rates with bed net use, but in the tiny central African natio

发表于:2019-01-13 / 阅读(149) / 评论(0) 分类 2006年VOA标准英语(四月)

Dallas Attacks West Nile Virus by Land, Air The aerial and ground fumigation programs are blanketing around 1,400 square kilometers of the county, but don't target all mosquitoes. Laura McGowan, who works with Clarke, the company contracted to carry

发表于:2019-01-13 / 阅读(73) / 评论(0) 分类 VOA标准英语2012年(八月)

New Malaria Vaccine Passes Safety Test The fight against malaria may have taken a promising step forward with the latest tests of a new kind of vaccine, which aims to keep people healthy and prevent the infection from spreading. Most malaria vaccines

发表于:2019-01-13 / 阅读(66) / 评论(0) 分类 VOA标准英语2011年(九月)

Wind Offers Clue to Curbing Malaria A team of scientists studying the patterns of malaria infection in rural Kenyan villages noticed that, despite a gradual reduction of malaria cases in the region, hotspots persisted. The blood-sucking mosquitos tha

发表于:2019-01-14 / 阅读(55) / 评论(0) 分类 VOA标准英语2012年(二月)

West Nile Surge Keeps Exterminator Busy Four years ago, the mosquitoes around Virginia resident Stephanie Samples house and neighborhood were voracious. They would get into the car and before you could shut the car doors, Sample says. We would be dri

发表于:2019-01-14 / 阅读(59) / 评论(0) 分类 VOA标准英语2012年(十月)

Florida Keys Approves Trial Of Genetically Modified Mosquitoes To Fight Zika play pause stop mute unmute max volume 00:0003:37repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or updat

发表于:2019-01-16 / 阅读(74) / 评论(0) 分类 2016年NPR美国国家公共电台11月

By Zulima Palacio Washington, DC 13 December 2006 watch Malaria Research report Malaria is spread by mosquitoes Experts and scientists around the world agree that the fight against malaria will only be won through a combination of approaches ranging

发表于:2019-01-21 / 阅读(138) / 评论(0) 分类 2006年VOA标准英语(十二月)

By Carolyn Weaver Kampala, Uganda 03 May 2006 watch Drug Resistance report Anti-microbial resistance -- germs becoming resistant to medicine -- is part of the natural history of infectious disease. No

发表于:2019-01-31 / 阅读(102) / 评论(0) 分类 2006年VOA标准英语(五月)

By Kurt Achin Jeju, South Korea 14 September 2007 Global warming is often in the news these days, usually in connection with changing, and sometimes destructive, weather patterns. But the World Health Organization says rising temperatures also have a

发表于:2019-02-07 / 阅读(104) / 评论(0) 分类 2007年VOA标准英语(九月)