Family members of people infected with H7N9 may have become infected via person-to-person transmission.
via LiveScience.com http://www.livescience.com/28830-bird-flu-update-possible-cases-of-human-to-human-transmission-investigated.html
via LiveScience.com http://www.livescience.com/28830-bird-flu-update-possible-cases-of-human-to-human-transmission-investigated.html
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