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CDC: Flu vaccine less helpful for elderly than ...
It turns out this year's flu shot is doing a startlingly dismal job of protecting older people, the most vulnerable age group.
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CDC: Flu vaccine less helpful for elderly than usual this year
It turns out this year's flu shot is doing a startlingly dismal job of protecting older people, the most vulnerable age group.
Date: 2/22/13
Views: 17
Video by:  WLWT Cincinnati
 
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