单词：flavivirus west nile virus of human
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You might wonder what a $100 million apartment looks like, you are going to know before the end of today show. Im Carl Azuz, this is CNN STUDENT NEWS. First up, the mayor of Dallas, Texas says his city is facing an emergency. The problem is West Nile
CNN2012年(八)月
This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? West Nile virus first appeared in North America in 1999. And it quickly moved across the continent. Now a study has pinned the proliferation on a particular culprit:
Scientific American(十)月
[00:06.95]Last summer, Americans in the eastern state of New York were threatened by a disease never before seen in the country--West Nile Fever. [00:19.59]The disease usually is not serious in people. [00:23.61]But it can cause swelling of the brain
美国英语听力80篇
Mosquitoes, Not Birds, Made West Nile National In 1999 West Nile virus infected its first American, in New York. By 2004, the disease had spread across the country. Researchers speculated that, for the disease to spread so far so quickly, birds must
60秒科学
SCIENCE IN THE NEWS - Killer Virus Brought Back From the Past, With the Hope to Avoid a New One By Cynthia Kirk and Caty Weaver Broadcast: Tuesday, October 18, 2005 (MUSIC) VOICE ONE: This is SCIENCE
科技之光
SCIENCE IN THE NEWS -August 20, 2002: U.S. Doctors Separate Guatemalan Sisters Joined at the Heath / West Nile Virus Spreads in the United States Broadcast: VOICE ONE: This is Ray Freeman. VOICE TWO:
科技之光
WHO Confirms Bird Flu Virus Caused Human Deaths in Vietnam Katherine Maria The World Health Organization has confirmed that at least three people have died of bird flu in Vietnam, the same virus that
VOA2004（上）--各类新闻
By David McAlary Washington 16 May 2007 Scientists say West Nile virus is killing large numbers of birds across North America. The organism has devastated big proportions of several bird species that commonly populate town and city suburbs throughout
2007年VOA标准英语（五月）
HEALTH REPORT - September 18, 2002: West Nile Virus Update By Nancy Steinbach 17 Sep 2002, 20:17 UTC This is the VOA Special English Health Report. The United States Centers for Disease Control says m
健康与环境
New warnings to people in Texas today to protect themselves against the potentially deadly West Nile virus which is now infected hundreds in that state and far beyond. The battle against the mosquitoes that carry West Nile is now being waged from lan
万花筒2012年
This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? If you're worried about news reports of West Nile virus, you might want to go take a census of the birds in your backyard. Because certain species of birds actually
Scientific American(十)月
by Jill Moss Broadcast: July 23, 2003 This is Bill White with the VOA Special English Health Report. A medical company in Australia, PanBio, has developed a new test for West Nile 1)virus. The test ex
VOA2003（下）-环境与健康
AS IT IS 2014-04-02 West Africans Fear Spread of Ebola Virus 西非人害怕埃博拉病毒会传播 Hello, my friends, and welcome back to the program that gives you our world As It Is, and lets you learn and improve your American English at the sam
2014年VOA慢速英语(四)月
Dallas Continues Spraying in Fight Against West Nile Fever Many people in Dallas continue to work and play outdoors, but they are heeding warnings from health officials to protect themselves. Fifteen-year-old Macias says he has followed the news repo
VOA标准英语2012年(八月)
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
VOA标准英语2012年(八月)
Texas Health Officials Study West Nile Outbreak Technicians in the state's mosquito laboratory are examining mosquito corpses sent from all over Texas, at the Texas Department of Health Services Laboratories in the capital of Austin. State Laboratori
VOA标准英语2012年(八月)
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
VOA标准英语2012年(十月)
West Nile Virus Costs US $780 Million 西尼罗河病毒使得美国花掉了7.8亿美元 Its been 14 years since West Nile Virus disease arrived in the United States. A new study says the disease has cost about 780-million dollars in health care cos
VOA标准英语2014年(二月)
By Phuong Tran Dakar 18 August 2007 The West African country of Togo recently announced more bird flu infections outside its capital, making it the seventh West African country to report finding the deadly H5N1 virus in its poultry. Bird flu experts
2007年VOA标准英语（八月）
DALLAS Officials in Dallas, Texas and the surrounding county of the same name are continuing to spray by land and air in an effort to suppress mosquitoes that spread the West Nile virus. Health officials have reported more than 200 cases of fever cau
英语新闻