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VOA慢速英语 Health Report - United States and Mexico Battle Swin

This is the VOA Special English Health Report. Swine flu is a respiratory sickness caused by an influenza virus that mainly infects pigs. However, sometimes the virus can sicken humans. That is what has happened in Mexico in the last few weeks. The

发表于:2018-12-07 / 阅读(30) / 评论(0)

VOA慢速英语2009年（四）月

VOA慢速英语2009-Development Report - A Doctor Who Left His Mark

This is the VOA Special English Development Report. Health officials in the Democratic Republic of Congo have declared the end of an outbreak of Ebola virus. Cases were first identified in December in the southern province of Kasai Occidental. The W

发表于:2018-12-15 / 阅读(29) / 评论(0)

VOA慢速英语2009年（二）月

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

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:

发表于:2019-01-04 / 阅读(50) / 评论(0)

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VOA慢速英语2009-Health Report - Scientists Take Step in Search o

This is the VOA Special English Health Report. Evidence is increasing that common influenza viruses are becoming resistant to the main drug used to treat them. The drug is oseltamivir, also known as Tamiflu. The most common seasonal flu virus found

发表于:2019-01-11 / 阅读(39) / 评论(0)

VOA慢速英语2009年（三）月

VOA慢速英语 Development Report - Experts Watch for Spread of Chi

This is the VOA Special English Development Report. People get chikungunya fever when they are bitten by mosquitoes infected with the disease. For many years, the disease has been found in countries in Africa and Asia. The symptoms are increased bod

发表于:2019-01-11 / 阅读(74) / 评论(0)

VOA慢速英语2009年（四）月

VOA慢速英语2011--Efforts to Stop Polio Continue

SCIENCE IN THE NEWS - Efforts to Stop Polio Continue FAITH LAPIDUS: This is SCIENCE IN THE NEWS in VOA Special English. I'm Faith Lapidus. BOB DOUGHTY: And I'm Bob Doughty. On our program this week, we tell about efforts to defeat the disease polio.

发表于:2019-01-12 / 阅读(38) / 评论(0)

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