How did bird flu transpire contained by the first place??
Bird flu originated contained by Hong Kong in 1997. From next, it was spotted on and rotten in different places around the world and lately it is cause many problems contained by some countries.
Read a comprehensive article on the origins of bird flu here:
http://www.bird-flu-center.com/bird-flu-...
People who handle sick poultry return with infected from the birds and then it become airborne and others catch it.
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