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. 2000 Nov;74(22):10807-10.
doi: 10.1128/jvi.74.22.10807-10810.2000.

Molecular correlates of influenza A H5N1 virus pathogenesis in mice

J M Katz  1 , X Lu, T M Tumpey, C B Smith, M W Shaw, K Subbarao
Affiliations

Molecular correlates of influenza A H5N1 virus pathogenesis in mice

J M Katz et al. J Virol. 2000 Nov.

Abstract

Highly pathogenic avian influenza A H5N1 viruses caused an outbreak of human respiratory illness in Hong Kong. Of 15 human H5N1 isolates characterized, nine displayed a high-, five a low-, and one an intermediate-pathogenicity phenotype in the BALB/c mouse model. Sequence analysis determined that five specific amino acids in four proteins correlated with pathogenicity in mice. Alone or in combination, these specific residues are the likely determinants of virulence of human H5N1 influenza viruses in this model.

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