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Potency of a vaccine prepared from A/swine/Hokkaido/2/1981 (H1N1) against A/Narita/1/2009 (H1N1) pandemic influenza virus strain

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Title: Potency of a vaccine prepared from A/swine/Hokkaido/2/1981 (H1N1) against A/Narita/1/2009 (H1N1) pandemic influenza virus strain
Authors: Okamatsu, Masatoshi Browse this author →KAKEN DB
Sakoda, Yoshihiro Browse this author →KAKEN DB
Hiono, Takahiro Browse this author
Yamamoto, Naoki Browse this author
Kida, Hiroshi Browse this author →KAKEN DB
Keywords: Influenza A (H1N1)pdm
Vaccine
Swine influenza virus
Issue Date: 6-Feb-2013
Publisher: BioMed Central
Journal Title: Virology Journal
Volume: 10
Start Page: 47
Publisher DOI: 10.1186/1743-422X-10-47
Abstract: Background: The pandemic 2009 (H1N1) influenza virus has spread throughout the world and is now causing seasonal influenza. To prepare for the emergence of pandemic influenza, we have established a library of virus strains isolated from birds, pigs, and humans in global surveillance studies. Methods: Inactivated whole virus particle (WV) and ether-split (ES) vaccines were prepared from an influenza virus strain, A/swine/Hokkaido/2/1981 (H1N1), from the library and from A/Narita/1/2009 (H1N1) pandemic strain. Each of the vaccines was injected subcutaneously into mice and their potencies were evaluated by challenge with A/Narita/1/2009 (H1N1) virus strain in mice. Results: A/swine/Hokkaido/2/81 (H1N1), which was isolated from the lung of a diseased piglet, was selected on the basis of their antigenicity and growth capacity in embryonated chicken eggs. Two injections of the WV vaccine induced an immune response in mice, decreasing the impact of disease caused by the challenge with A/Narita/1/2009 (H1N1), as did the vaccine prepared from the homologous strain. Conclusion: The WV vaccine prepared from an influenza virus in the library is useful as an emergency vaccine in the early phase of pandemic influenza.
Rights: http://creativecommons.org/licenses/by/2.0/
Type: article
URI: http://hdl.handle.net/2115/52238
Appears in Collections:獣医学院・獣医学研究院 (Graduate School of Veterinary Medicine / Faculty of Veterinary Medicine) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 喜田 宏

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