3Garten RJ, Davis CT, Russell CA, et al. Antigenic and genetic characteristics of swine-origin 2009 A (H1N1) influenza viruses circulating in humans [ J]. Science, 2009, 325 ( 5937 ) : 197- 201.
4Neumann G, Noda T, Kawaoka Y. Emergence and pandemic po- tential of swine-origin H1N1 influenza virus [ J ]. Nature, 2009, 459 (7249) :931-939.
5de Jong MD, Tran TT, Truong HK, et al. Oseltamivir resistance during treatment of influenza A ( H5N1 ) infection [ J]. N Engl J Med, 2005, 353 (25) :2667-2672.
6Chu CM, Poon LL, Cheng VC, et al. Initial viral load and the outcomes of SARS [ J]. CMAJ, 2004, 171 ( 11 ) : 1349-1352.
7World Health Organization. CDC protocol of real-time RT-PCR for swine influenza A (H1N1) (2009-4-30) [2011-2-18]. http:// www. who. int/esr/resourees/publieations/swineflu/CDCRealtime_ SwineH1 Assay-2009_20090430. pdf.
9Bergallo M, Terlizzi ME, Astegiano S, et al. Real time PCR TaqMan assays for detection of polyomaviruses KIV and WIJV in clinical samples [JJ. J Virol Methods, 2009, 162(1-2) :69-74.
10To KK, Chart KH, Li IW, et al. Viral load in patients infected with pandemic H1N1 2009 influenza A virus [J]. J Med Virul, 2010, 82(1 ) :1-7.
