7Russell CJ, Webster RG. The genesis of a pandemic influenza virus [J]. Cell, 2005, 123(3):368 371. 被引量：1
8Belser JA, Bridges CB, Katz JM. Past, present, and possible future human infection with influenza virus A subtype H7[J]. Emerg Infect Dis, 2009, 15(6):859 -865. 被引量：1
9World Health Organization. Pandemic (H1N1) 2009- update 112 [EB/OL]. Available from: http://www, who. int/csr/don/2010-08-06/ en/index, html. 被引量：1
