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Why the Flu is So Relentless, and How Technology Might Help  
1/28/2013 7:43:41 AM

Every year, starting in September, public health officials in the U.S. start prodding you to get this year’s flu shot. But even if you do get one, it is not a guarantee against getting sick. Why is the common illness so difficult to prevent, and what technologies might change this yearly struggle?
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