Severe Fever with Thrombocytopenia Syndrome Virus RNA in Ticks from Wild Mongooses in Okinawa Prefecture, Japan

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  • Kuba Yumani
    Department of Medical Microbiology and Zoology, Okinawa Prefectural Institute of Health and Environment, Japan
  • Azama Yasuhito
    Department of Medical Microbiology and Zoology, Okinawa Prefectural Institute of Health and Environment, Japan
  • Kyan Hisako
    Department of Medical Microbiology and Zoology, Okinawa Prefectural Institute of Health and Environment, Japan
  • Fukuchi Yoshimune
    Department of Medical Microbiology and Zoology, Okinawa Prefectural Institute of Health and Environment, Japan
  • Maeshiro Noriyuki
    Department of Medical Microbiology and Zoology, Okinawa Prefectural Institute of Health and Environment, Japan
  • Kakita Tetsuya
    Department of Medical Microbiology and Zoology, Okinawa Prefectural Institute of Health and Environment, Japan
  • Miyahira Masato
    Department of Medical Microbiology and Zoology, Okinawa Prefectural Institute of Health and Environment, Japan
  • Kudeken Tsuyoshi
    Department of Medical Microbiology and Zoology, Okinawa Prefectural Institute of Health and Environment, Japan
  • Nidaira Minoru
    Department of Medical Microbiology and Zoology, Okinawa Prefectural Institute of Health and Environment, Japan

書誌事項

公開日
2022-11-30
資源種別
journal article
DOI
  • 10.7883/yoken.jjid.2021.808
公開者
国立感染症研究所

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説明

<p>Severe fever with thrombocytopenia syndrome (SFTS) is an emerging zoonotic tick-borne disease caused by SFTS virus (SFTSV). SFTSV has a wide spectrum of animal hosts and is considered to circulate in an enzootic tick-vertebrate-tick cycle. A previous seroepidemiological study showed the presence of anti-SFTSV antibodies in wild mongooses (Herpestes auropunctatus) and indicated that outdoor activity was associated with an increased risk of tick bites among Okinawa residents. However, the association of SFTSV with wild mongooses and ticks remains unclear. To understand the association between ticks and mongooses with respect to the SFTSV enzootic cycle, we investigated the presence of SFTSV RNA in ticks collected from wild mongooses on the Okinawa Island. A total of 638 ticks belonging to 2 genera and 3 species (Haemaphysalis hystricis, Haemaphysalis formosensis, and Ixodes granulatus) were collected from 22 wild mongooses from 2016 to 2021. SFTSV RNA was detected in two pools of H. hystricis larvae collected from a wild mongoose in the central area of the main island of Okinawa in 2017. Although the prevalence of SFTSV in ticks from wild mongooses is low, endemic circulation of the virus in Okinawa should be carefully monitored to prevent future infections.</p>

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