How deadly bird flu virus jumps to humans: study (AFP) 
AFP - Scientists on Sunday said they had figured out how influenza viruses carried by birds latch on to humans, a discovery that may open the way to a vaccine against not just deadly avian flu but against all flu types.
Source: news.yahoo.comScientists discover new key to flu transmission (Reuters) Reuters - Flu viruses must be able to pick a very specific type of lock before entering human respiratory cells, U.S. researchers said on Sunday, offering a new understanding of how flu viruses work.
Source: news.yahoo.com
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