... iruses that are active in humans and potentially lethal to people is much more common. H1N1 originated in swine and HIV/AIDS originated in chimpanzees.
http://www.examiner.com/article/h1n1-found-marine-mammals-for-the-first-time?cid=rss
http://www.examiner.com/article/h1n1-found-marine-mammals-for-the-first-time?cid=rss
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