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Protective immunity elicited by a pseudotyped baculovirus-mediated bivalent H5N1 influenza vaccine.

Antiviral Res.. 2011-12;  92(3):493-6
Wu Q, Xiao S, Fan H, Li Y, Xu J, Li Z, Lu W, Su X, Zou W, Jin M, Chen H, Fang L. a Division of Animal Infectious Diseases, State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, Chinab College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
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摘要

The development of novel H5N1 influenza vaccines to elicit a broad immune response is a priority in veterinary and human public health. In this report, a baculovirus vector was used to construct bivalent recombinant baculovirus vaccine encoding H5N1 influenza virus hemagglutinin proteins (BV-HAs) from clade 2.3.4 and clade 9 influenza viruses. Mice immunized with 5 × 107 IFU BV-HAs developed significantly high levels of H5-specific neutralizing antibodies and cellular immunity that conferred 100% protection against infection with H5N1 influenza viruses. This study suggests that baculovirus-delivered multi-hemagglutinin proteins might serve as a candidate vaccine for the prevention of pre-pa... More

关键词

Influenza virus; Vaccine; Hemagglutinin; Bivalent vaccine