Antigenic comparison of H3N8 equine influenza viruses belonging to Florida sublineage clade 1 between vaccine strains and North American strains isolated in 2021–2022

Manabu Nemoto; Stephanie E. Reedy; Takanori Yano; Kenya Suzuki; Shino Fukuda; Marie Garvey; Yoshinori Kambayashi; Hiroshi Bannai; Koji Tsujimura; Takashi Yamanaka; Ann Cullinane; Thomas M. Chambers

doi:10.1007/s00705-023-05720-x

Antigenic comparison of H3N8 equine influenza viruses belonging to Florida sublineage clade 1 between vaccine strains and North American strains isolated in 2021–2022

Manabu Nemoto, Stephanie E. Reedy, Takanori Yano, Kenya Suzuki, Shino Fukuda, Marie Garvey, Yoshinori Kambayashi, Hiroshi Bannai, Koji Tsujimura, Takashi Yamanaka, Ann Cullinane, Thomas M. Chambers

Veterinary Science

Research output: Contribution to journal › Article › peer-review

Abstract

Equine influenza virus strains of Florida sublineage clade 1 (Fc1) have been circulating in North America. In this study, virus neutralization assays were performed to evaluate antigenic differences between Fc1 vaccine strains and North American Fc1 strains isolated in 2021–2022, using equine antisera against A/equine/South Africa/4/2003 (a vaccine strain recommended by the World Organisation for Animal Health) and A/equine/Ibaraki/1/2007 (a Japanese vaccine strain). Antibody titers against four North American Fc1 strains isolated in 2021–2022 were comparable to those against the homologous vaccine strains. These results suggest that current Fc1 vaccine strains are effective against North American strains from 2021–2022.

Original language	English
Article number	94
Journal	Archives of Virology
Volume	168
Issue number	3
DOIs	https://doi.org/10.1007/s00705-023-05720-x
State	Published - Mar 2023

Bibliographical note

Funding Information:
Stephanie Reedy and Thomas Chambers were supported by a project of the Kentucky Agricultural Experiment Station, Project No. KY-014067. This study was funded by the Japan Racing Association (Tokyo, Japan).

Funding Information:
We are grateful to Akiko Kasagawa, Miwa Tanaka, Akira Kokubun, Kaoru Watanabe, Kayo Iino, and Koji Kitamura (Equine Research Institute, Japan Racing Association) for their invaluable technical assistance.

Publisher Copyright:
© 2023, The Author(s), under exclusive licence to Springer-Verlag GmbH Austria, part of Springer Nature.

Keywords

Equine influenza virus
Florida sublineage clade 1
Neutralization assay
Vaccine

ASJC Scopus subject areas

Virology

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1007/s00705-023-05720-x

Cite this

Nemoto, M., Reedy, S. E., Yano, T., Suzuki, K., Fukuda, S., Garvey, M., Kambayashi, Y., Bannai, H., Tsujimura, K., Yamanaka, T., Cullinane, A., & Chambers, T. M. (2023). Antigenic comparison of H3N8 equine influenza viruses belonging to Florida sublineage clade 1 between vaccine strains and North American strains isolated in 2021–2022. Archives of Virology, 168(3), Article 94. https://doi.org/10.1007/s00705-023-05720-x

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abstract = "Equine influenza virus strains of Florida sublineage clade 1 (Fc1) have been circulating in North America. In this study, virus neutralization assays were performed to evaluate antigenic differences between Fc1 vaccine strains and North American Fc1 strains isolated in 2021–2022, using equine antisera against A/equine/South Africa/4/2003 (a vaccine strain recommended by the World Organisation for Animal Health) and A/equine/Ibaraki/1/2007 (a Japanese vaccine strain). Antibody titers against four North American Fc1 strains isolated in 2021–2022 were comparable to those against the homologous vaccine strains. These results suggest that current Fc1 vaccine strains are effective against North American strains from 2021–2022.",

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author = "Manabu Nemoto and Reedy, {Stephanie E.} and Takanori Yano and Kenya Suzuki and Shino Fukuda and Marie Garvey and Yoshinori Kambayashi and Hiroshi Bannai and Koji Tsujimura and Takashi Yamanaka and Ann Cullinane and Chambers, {Thomas M.}",

note = "Funding Information: Stephanie Reedy and Thomas Chambers were supported by a project of the Kentucky Agricultural Experiment Station, Project No. KY-014067. This study was funded by the Japan Racing Association (Tokyo, Japan). Funding Information: We are grateful to Akiko Kasagawa, Miwa Tanaka, Akira Kokubun, Kaoru Watanabe, Kayo Iino, and Koji Kitamura (Equine Research Institute, Japan Racing Association) for their invaluable technical assistance. Publisher Copyright: {\textcopyright} 2023, The Author(s), under exclusive licence to Springer-Verlag GmbH Austria, part of Springer Nature.",

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Nemoto, M, Reedy, SE, Yano, T, Suzuki, K, Fukuda, S, Garvey, M, Kambayashi, Y, Bannai, H, Tsujimura, K, Yamanaka, T, Cullinane, A & Chambers, TM 2023, 'Antigenic comparison of H3N8 equine influenza viruses belonging to Florida sublineage clade 1 between vaccine strains and North American strains isolated in 2021–2022', Archives of Virology, vol. 168, no. 3, 94. https://doi.org/10.1007/s00705-023-05720-x

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AU - Garvey, Marie

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AB - Equine influenza virus strains of Florida sublineage clade 1 (Fc1) have been circulating in North America. In this study, virus neutralization assays were performed to evaluate antigenic differences between Fc1 vaccine strains and North American Fc1 strains isolated in 2021–2022, using equine antisera against A/equine/South Africa/4/2003 (a vaccine strain recommended by the World Organisation for Animal Health) and A/equine/Ibaraki/1/2007 (a Japanese vaccine strain). Antibody titers against four North American Fc1 strains isolated in 2021–2022 were comparable to those against the homologous vaccine strains. These results suggest that current Fc1 vaccine strains are effective against North American strains from 2021–2022.

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Antigenic comparison of H3N8 equine influenza viruses belonging to Florida sublineage clade 1 between vaccine strains and North American strains isolated in 2021–2022

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

UN SDGs

Access to Document

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