5Shortridge KF,Zhou NN,Guan Y,et al.Characterization of avian H5 N1 influenza viruses from poultry in Hong Kong.Virology,1998,252:331-342.
6Ku AS,Chan LT.The first case of H5N1 avian influenza infection in a human with complications of adult respiratory distress syndrome and Reyes syndrome.J Paediatr Child Health,1999,35:207-209.
8Baigent S J,Bethell RC,McCauley JW.Genetic analysis reveals that both haemagglutinin and neuraminidase determine the sensitivity of naturally occurring avian influenza viruses to zanamivir in vitro.Virology,1999,263:323-338.
9Barnett JM,Cadman A,Burrell FM,et al.In vitro selection and characterization of influenza B/Beijing/1/87 isolates with altered susceptibility to zanamivir.Virology,1999,265,286-295.
10WHO Region Office for the Western Pacific.Recommended laboratory tests to identify influenza A/H5 virus in specimens from patients with an influenza-like illness.Available from: URL: http :∥www.who.int/csr/disease/avian_ influenza/guidelines/en/avian_lab