Bird flu may over-stimulate immune system

Researchers in Hong Kong say the H5N1 bird flu virus may provoke an excessive immune reaction, explaining why it is deadly even to the young and healthy.

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<p><a href="http://www.physorg.com/news8101.html">Bird flu may over-stimulate immune system</a></p> <p>Researchers in Hong Kong say the H5N1 bird flu virus may provoke an excessive immune reaction, explaining why it is deadly even to the young and healthy. </p>