rdiner Harris,“Obama Seeks to Ease Fears on Swine Flu”,New YorkTimes ,April 27,2009,A1.
“President Obama Signs Emergency Declaration for H1N1 Flu”,The White House.2018年4月25日登录. https://obamawhitehouse.archives.gov/blog/2009/10/25/president-obama-signs-emergency-declaration-h1n1-flu.
Martin Szomszor,Patty Kostkova,and Ed de Quincey,“#Swine flu:Twitter PredictsSwine Flu Outbreak in 2009”,in Electronic Healthcare (New York:Springer,2011):18-26.
John Sutter,“Swine flu creates controversy on Twitter”,CNN.2018年4月25日登录. http://www.cnn.com/2009/TECH/04/27/swine.flu.twitter/.
Fiona Godlee,“Conflicts of Interest and Pandemic Flu”,British Medical Journal 340(2010):c2947.
参见Peter Doshi,“The Elusive Definition of Pandemic Influenza”,Bulletin of the WorldHealth Organizaton 89 (2011):532-38.
Elizabeth Cohen,“When a Pandemic Isn’t a Pandemic”,CNN.2018年4月25日登录. http://edition.cnn.com/2009/HEALTH/05/04/swine.flu.pandemic/index.html.
Table 2 of Doshi,“The Elusive Definition of Pandemic Influenza”.
John Barry,“Lessons from the 1918 Flu”,Time ,October 17,2005,96.
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