Dengue Virus Serotype 1 Exported to Japan from Côte d’Ivoire, 2019

Tetsuya Suzuki; Satoshi Kutsuna; Takato Nakamoto; Masayuki Ota; Masahiro Ishikane; Kei Yamamoto; Takahiro Maeki; Shigeru Tajima; Eri Nakayama; Satoshi Taniguchi; Chang-Kweng Lim; Masayuki Saijo; Norio Ohmagari

doi:10.7883/yoken.JJID.2019.303

Short Communications

Dengue Virus Serotype 1 Exported to Japan from Côte d’Ivoire, 2019

Tetsuya Suzuki, Satoshi Kutsuna, Takato Nakamoto, Masayuki Ota, Masahiro Ishikane, Kei Yamamoto, Takahiro Maeki, Shigeru Tajima, Eri Nakayama, Satoshi Taniguchi, Chang-Kweng Lim, Masayuki Saijo, Norio Ohmagari

Author information

Tetsuya Suzuki
Department of Infectious Diseases, Disease Control and Prevention Center, National Center for Global Health and Medicine, Japan
Satoshi Kutsuna
Department of Infectious Diseases, Disease Control and Prevention Center, National Center for Global Health and Medicine, Japan
Takato Nakamoto
Department of Infectious Diseases, Disease Control and Prevention Center, National Center for Global Health and Medicine, Japan
Masayuki Ota
Department of Infectious Diseases, Disease Control and Prevention Center, National Center for Global Health and Medicine, Japan
Masahiro Ishikane
Department of Infectious Diseases, Disease Control and Prevention Center, National Center for Global Health and Medicine, Japan
Kei Yamamoto
Department of Infectious Diseases, Disease Control and Prevention Center, National Center for Global Health and Medicine, Japan
Takahiro Maeki
Department of Virology 1, National Institute of Infectious Diseases, Japan
Shigeru Tajima
Department of Virology 1, National Institute of Infectious Diseases, Japan
Eri Nakayama
Department of Virology 1, National Institute of Infectious Diseases, Japan
QIMR Berghofer Medical Research Institute, Australia
Satoshi Taniguchi
Department of Virology 1, National Institute of Infectious Diseases, Japan
Chang-Kweng Lim
Department of Virology 1, National Institute of Infectious Diseases, Japan
Masayuki Saijo
Department of Virology 1, National Institute of Infectious Diseases, Japan
Norio Ohmagari
Department of Infectious Diseases, Disease Control and Prevention Center, National Center for Global Health and Medicine, Japan

Keywords: dengue virus, Japan, phylogeny, Southeast Asia, Côte d’Ivoire

JOURNAL FREE ACCESS

2021 Volume 74 Issue 2 Pages 148-150

DOI https://doi.org/10.7883/yoken.JJID.2019.303

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Abstract

Dengue fever outbreaks have been repeatedly reported in Côte d’Ivoire. During the 2019 outbreak, DENV-1 was the predominant strain and phylogenetic analysis of the DENV-1 genome obtained from the present patient who returned to Japan in January 2019 revealed a high homology with the 2013–2014 Southeast Asian strains. In a previous outbreak in 2017, DENV-1 accounted for 5% of the DENV serotypes. The endemic DENV-1 strain in Abidjan in 2019 could be a strain that was imported from Southeast Asia. Dengue virus can spread globally, and imported dengue fever cases could serve as an alert for outbreaks in the exporting country.

Corresponding author

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