Bird flu and human flu are differentiated

A U.S. study has found specific key differences between bird flu and human flu that might be used to monitor emerging pandemics.

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<p><a href="http://www.physorg.com/news107021065.html">Bird flu and human flu are differentiated</a></p> <p>A U.S. study has found specific key differences between bird flu and human flu that might be used to monitor emerging pandemics. </p>