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"National Institute of Allergy and Infectious Diseases,vaccines,immune system,news health,Influenza viruses,flu vaccine,pandemic flu,Infectious Diseases, video"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.reuters.com/video/2013/04/25/china-bird-flu-spurs-drive-for-universal?videoId=242472673&videoChannel=6>