SSS 2010-01-29

Organisms evolved sexual reproduction so they could stay one step ahead of parasites. Or so the theory goes. But what about beasties that make babies without sex? How do they escape infection? A study in the journal Science suggests that for bdelloid

VOA标准英语2012--Common Infection Raises Female to Male HIV Risk

Common Infection Raises Female to Male HIV Risk A common bacterial infection among women in sub-Saharan Africa sharply increases the risk of HIV transmission to men. Researchers say current treatments provide only a short-term solution. Its long been

VOA慢速英语2012 SCIENCE IN THE NEWS - Scientists Search for New Ways to Treat Infection

SCIENCE IN THE NEWS - Scientists Search for New Ways to Treat Infection This is SCIENCE IN THE NEWS, in VOA Special English. Im Christopher Cruise. And Im Jim Tedder. Today, we report on the search for new ways to treat infections. We tell how resear

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 2010-02-19

When youre looking for a table in a crowded cafeteria, you probably give wide berth to the family that sounds like its sharing a big dish of whooping cough. Well, not if youre a house finch, particularly a male. Because a study in the journal Biology

Tea May Help Fight Infection

Broadcast: April 30, 2003 By Nancy Steinbach This is the VOA Special English Health Report. American researchers say drinking tea may help strengthen the body's defense system against infection. Docto

VOA常速英语2008年-Report: TB Infection Rates in Africa Have Doubl

By Scott Bobb Johannesburg 24 March 2008 As the world marks international Tuberculosis day, a new study has revealed a frightening rise in the past 15 years in tuberculosis cases in Africa. Correspondent Scott Bobb reports from our Southern Africa Bu

VOA慢速英语2016 铜能杀死细菌和病毒

Copper Metal Kills Viruses on Contact 铜能杀死细菌和病毒 Even in the world of medicine, what is old is new again. 医药界也刮起了复古风。 Thousands of years ago, Egyptians used it to sterilize drinking water. Ancient Romans, Aztecs

VOA标准英语2012--Stem Cell Therapy Effective Against HIV Virus in Mice

Stem Cell Therapy Effective Against HIV Virus in Mice The actual stem cells were injected in my arm, said Diana Souza. Diana Souza says stem cell therapy helped restore full use of her severely fractured arm. It is a miracle. It does work. And I have

VOA标准英语2013--Climate, Brain Infection Linked in Uganda

Climate, Brain Infection Linked in Uganda Scientists say they have found the first major neurological condition linked to climate. A Ugandan study shows the amount of rainfall can affect the number of infants who develop a deadly brain infection. Its

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2011--SIV Vaccine Holds Promise for AIDS

SIV Vaccine Holds Promise for AIDS Researchers are excited about a vaccine they have developed that protects rhesus monkeys from infection with a primate version of the AIDS virus. They hope to use what they've learned to develop an agent that preven

英闻天下——67 Chavez Suffers "Severe" Lung Infection

Venezuelan authorities are now conceding President Hugo Chavez is dealing with a severe lung infection. Ernesto Villegas is the Information Minister. After the delicate surgery of this past December 11, Comandante Chavez has faced complications as a

E. coli infection cases rise sharply in Germany

BERLIN, June 1 (Xinhua) -- Germany's disease control center reported on Wednesday 365 new cases of the fatal enterohemorrhagic E. coli (EHEC), which marked a sharp rise since its outbreak in the middle of May. Twenty-five percent of the new cases inv

HEALTH REPORT - How Antiviral Drugs Work

HEALTH REPORT - How Antiviral Drugs Work By Jerilyn Watson Broadcast: Wednesday, February 11, 2004 This is the VOA Special English Health Report. A representation of how viruses attack a cell. Here is

HEALTH REPORT - Blood Transfusion Blamed for Second 'Mad Cow

HEALTH REPORT - Blood Transfusion Blamed for Second 'Mad Cow' Infection in Humans By Cynthia Kirk Broadcast: Wednesday, August 18, 2004 This is Gwen Outen with the VOA Special English Health Report. B

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

VOA标准英语2009年-Scientists Seek Better Treatment For Dengu

By Greg Flakus San Antonio, Texas 13 October 2009 Dengue carrying mosquitos According to the World Health Organization, there are around 50 million cases of dengue fever around the world every year. About two and a half billion people, two fifths of

VOA标准英语2009年-Study Finds High Rate of Infection at

More than 1,200 intensive care units in 75 countries examined Carol Pearson | Washington, DC 08 December 2009 Researchers found that more than half of the 14,000 patients in the study on that one day, developed infections in intensive care units Stay

学个词Learn a Word 第1328期 infection

今天我们要学的词是infection。 Infection, 感染。 MIT scientists are developing a new drug that might be able to fight any viral infection, 麻省理工大学的科学家正在研究一种新药，可能可以治疗任何病毒感染。 Re