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SSS 2008-03-25

时间:2010-05-13 05:51来源:互联网 提供网友:0922013129   字体: [ ]
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    (单词翻译:双击或拖选)

This is Scientific American's 60-Second Science, I am Cynthia Graber. This will just take a minute.

 When it comes to saving lives, a personal touch can sometimes work better than drugs alone. That’s what researchers in Uganda found in a study published in the journal the Lancet. Scientists studied the efficacy of home-visits to AIDs patients in rural areas that aren't served by clinics. Lay workers with no clinical training visited patients weekly to provide potent1 anti-AIDs drugs. The thousand study participants also received supporting interventions2 including insecticide-treated bed nets to avoid malaria3 infection and a safe water system. After two years, researchers compared the results of the rural home visits to urban clinics that only administer drugs. In the rural homes AIDS-related mortality was reduced by more than 90%. There was also a sharp decline in child mortality from all causes.Additional cost for these results: 25 cents per patient per day.  Researchers caution that the dramatic benefits can’t be attributed to home-visits alone, and may have been aided by the additional measures, for example: bed nets. But the results are in line with similar studies conducted in other countries, such as Haiti.
 

Thanks for the minute for Scientific American's 60-Second Science. I'm Cynthia Graber.
 


点击收听单词发音收听单词发音  

1 potent C1uzk     
adj.强有力的,有权势的;有效力的
参考例句:
  • The medicine had a potent effect on your disease.这药物对你的病疗效很大。
  • We must account of his potent influence.我们必须考虑他的强有力的影响。
2 interventions b4e9b73905db5b0213891229ce84fdd3     
n.介入,干涉,干预( intervention的名词复数 )
参考例句:
  • Economic analysis of government interventions deserves detailed discussion. 政府对经济的干预应该给予充分的论述。 来自辞典例句
  • The judge's frequent interventions made a mockery of justice. 法官的屡屡干预是对正义的践踏。 来自互联网
3 malaria B2xyb     
n.疟疾
参考例句:
  • He had frequent attacks of malaria.他常患疟疾。
  • Malaria is a kind of serious malady.疟疾是一种严重的疾病。
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TAG标签:   SSS  efficacy
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