2Chart PK.S Outbreak of avian influenza A/(H5N1) virus infection in Hong Kong in 1997 [J]. Clin Infect Dis,2002. 34( Suppl 2) :S58 - S64.
3Word Health Organization. Cumulative number of confirmed human cases of avian influenza A/( H5N1 ) reportedtoWHO [EB/OL]. http://www, who. int/csr/disease/avian_influenza/country/cases_table_2011_03_25/en/index. html.
4Belshe RB. The origins if pandemic influenza - lessons from the 1918 virus[J]. N Engl J Med, 2005,353:2209 - 2211.
5Nguyen - Van - Tam JS. Hampson AW. The epidemiology and clinical impact of pandemic influenza [J]. Vaccine, 2003, 21:1762 - 1768.
6Epidemiology of WHO - conformed human case of avian influenza A/( H5N1 ) infection [ J ]. Weekly Epidemiological Record,2006, 81 (26) : 249 - 260.
8Fouchier RA, Schneeberger PM, Rozendaal Fw,et al. Avian influenza A virus( H7N7 ) associated with human conjunctivitis and a fatal case of acute respiratory distress syndrome[J]. Proc Natl Acad Sci U S A, 2004,101:1356 - 1361.
9Hinshaw V S, Webster R G, and Turner B. The perpetuation of orthomyxoviruses and paramyxoviruses in Canadian waterfowl[J]. CanJ Microbio, 1980, 26(5): 622-629.
10Freguson NM. Galvani AP, Bush RM. Ecological and immunological determinants of influenza evolution [ J ]. Nature, 2003,422 (6930) : 428 - 433.
