美国国家公共电台 NPR For Gideon, Infection With a Common Virus Caused Rare Birth Defects

RACHEL MARTIN, HOST: Today in Your Health, we're going to take a look at a virus that can cause severe birth defects. Yes, as if Zika weren't scary enough, right? But this is something else. It's a virus called CMV, which causes disability for as man

SSS 2011-10-27

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:

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[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

60秒科学:蚊子是西尼尔病毒的传播者

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

SCIENCE IN THE NEWS - U.S. Doctors Separate Guatemalan Siste

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2007年VOA标准英语-West Nile Virus Killing Several North American

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

HEALTH REPORT - West Nile Virus Update

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

万花筒 2012-08-23&08-25 美国爆发西尼罗河病毒

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

SSS 2008-10-10

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

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HIV Vaccine Research 艾滋病疫苗研究 Two years ago, Jason Brenchley took part in an HIV vaccine trial sponsored by the U.S. National Institutes of Health. An NIH researcher himself, Mr. Brenchle

New Test for West Nile Virus

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

VOA标准英语2012--Dallas Continues Spraying in Fight Against West Nile Fever

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--Dallas Attacks West Nile Virus by Land, Air

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--Texas Health Officials Study West Nile Outbreak

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2011--Dengue Severity Depends on Prior Infection, Genetic Variation

Dengue Severity Depends on Prior Infection, Genetic Variation American and Nicaraguan scientists have discovered the reason why a second infection with dengue can often be much more serious, even fatal, than the first. Dengue is a viral disease sprea

VOA标准英语2012--West Nile Surge Keeps Exterminator Busy

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--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

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2010年-AIDS: Vital First Minutes of Infection

A top U.S. health official says the first few minutes after HIV infection may be a window of opportunity to prevent the AIDS virus from firmly taking hold in the body. The HIV thats present during initial infection is different from the virus that re

2007年VOA标准英语-West Africa Struggles to Contain Bird Flu Virus

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

Dallas Continues Spraying in Fight Against West Nile Fever

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