protective efficacy of the h5 inactivated vaccine against different highly pathogenic h5n1 avian influenza viruses isolated in china and inactivated h5n1 avian influenza (ai) vaccine generated by reverse genetics and containing the hemagglutinin and neuraminidase genes of the h5n1 a/goose/guangdong/1/96 (gs/gd/06) virus has been used in domestic poultry in china and vietnam as an important control strategy for h5n1 ai. the efficacy of this vaccine against early h5n1 isolates has been fully evaluated in chicken, ducks, and geese. however, there are no reports about its efficacy against h5n1 viruses recently isolated in china an ...201020521646
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