Bird flu mutations may make it more contagious, less deadly

By Maggie Fox
Remember bird flu? New studies show you should still worry.
Bird flu is still out there and mutating into dangerous forms, but there’s good news too – the changes that could make it spread more easily could make it less deadly, researchers reported on Th …

Source: http://vitals.msnbc.msn.com/_news/2012/06/21/12342017-bird-flu-mutations-may-make-it-more-contagious-less-deadly

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