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Global Concerns Regarding Novel Influenza A (H7N9) Virus Infections
http://www.nejm.org/doi/full/10.1056/NEJMp1304661?query=OF
H7N9 bird flu poised to spread - Cases reported in new regions of Chinahttp://www.nature.com/news/h7n9-bird-flu-poised-to-spread-1.12801