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更新时间:2008/11/2
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By Carol Pearson
Washington
30 October 2008

arttoday sneeze common-cold 17dec01 eng 150.jpg
A new study shows that the germs that cause the common cold can live longer than previously thought
A new study shows that the germs that cause the common cold can live longer than previously thought. Researchers find the germs can live for almost a week on doorknobs and other surfaces.  

VOA's Carol Pearson has more.

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