A new research conducted at the University of Cambridge and published in the journal Science suggests that only a few key mutations could cause the avian H5N1 influenza virus, also known as bird flu, to become airborne and transmissible among humans.Learning how to boost immune system is among leading factors in decreasing mutation. There are many immune-boosting foods and herbs. What are your favorite recommendations for patients who would like to enhance their immunity?

http://www.medicalnewstoday.com/releases/246944.php

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