Protective efficacy of poultry vaccines against recently circulating Highly Pathogenic Avian Influenza (HPAI) H5N1 virus isolater from markets and farms in Hong Kong 2008

Abstract

Parallel Session 2 - Emerging/Infectious Diseases: no. S7Theme: Translating Health Research into Policy and Practice for Health of the PopulationINTRODUCTION: Highly pathogenic avian influenza (HPAI) H5N1 remains a major threat to animal and public health. Since 2003, Hong Kong has successfully used poultry vaccination as part of its strategy to minimise this threat within Hong Kong. In mid-2008, an HPAI H5N1 outbreak occurred in a vaccinated poultry farm in Hong Kong. AIMS: a) to compare protective efficacy of different poultry vaccines against the 2008 farm outbreak strain; and b) to assess whether there needs to be a change in the poultry vaccine used in Hong Kong. METHODS: White leghorn chickens were raised in a clean laboratory environment and …published_or_final_versio