单词：allergic disease of genito-urinary system
单词：allergic disease of genito-urinary system 相关文章
This is the VOA Special English Health Report. Most vaccines are designed with the same goal in mind. That is, to help the body's own defense system prevent a disease by producing antibodies against it. Antibodies are disease-fighting proteins. The
VOA慢速英语2007年（四）月
This is the VOA Special English Agriculture Report. Teff is a common part of the diet in Ethiopia and other parts of Africa. This nutritious grain is very small. It has a mild, nutty taste. People use teff flour to make bread and other foods. Now tef
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Pills Offer New Hope in Fight Against Yaws Scientists have found that a medicine taken in pill form is just as effective in treating the neglected tropical disease yaws as the usual treatment, a shot of penicillin. The easier-to-use therapy raises ne
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Rare Disease Finds Fertile Ground In Rohingya Refugee Camps SCOTT SIMON, HOST: A diptheria outbreak is worsening in Bangladesh in what's rapidly become the largest refugee camp in the world. The camp is home to some of the hundreds of thousands of Ro
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By Melinda Smith Washington 17 July 2007 Antibiotics are designed to fight a multitude of bacterial infections. But some infections -- such as those in the urinary tract -- have become resistant to many antibiotics. VOA's Melinda Smith reports on a r
2007年VOA标准英语（七月）
This is the VOA Special English Health Report. A new study suggests that early exposure to germs strengthens the immune system. That means letting children get a little dirty might be good for their health later in life. The study involved laboratory
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