8Gao R, Cao B, Hu Y, et al. Human infection with a novel avian-o- rigin influenza A (HTN9) virus [J]. N Engl J Med, 2013, 368 (20) : 1888-1897.
9Karch H, Denamur E, Dobrindt U, et al. The enemy within us: lessons from the 2011 European Escherichia coli O104 : H4 outbreak [J].EMBOMolMed, 2012, 4 (9): 841-848.