The United Nations' Food and Agriculture Organization warned of a "possible major resurgence" of H5N1 influenza, including a mutant virus that appears to be unfazed by available vaccines.
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Read the complete post at http://www.npr.org/blogs/health/2011/08/29/140035925/bird-flu-flies-again-prompting-un-advisory?ft=1&f=103537970
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Aug 29 2011, 11:58 AM
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NPR Blogs: Shots - Health Blog