First mosquito-based molecular evidence of tembusu virus in Vietnam - Takeaways - MDSpire
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Initial Molecular Detection of Tembusu Virus in Mosquitoes from Vietnam

  • By

  • Do Huy Loc

  • Tatiana Sulesco

  • Gábor Endre Tóth

  • Renke Lühken

  • Jonas Schmidt-Chanasit

  • Thirumalaisamy P. Velavan

  • July 13, 2026

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  • 1

    Tembusu virus is an emerging flavivirus primarily associated with disease in ducks and other avian hosts; mosquito transmission is considered likely.

  • 2

    TMUV was first detected molecularly in Vietnamese domestic ducks in 2019 in association with neurological signs, paralysis, and a sudden decline in egg production.

  • 3

    This study provided the first mosquito-based molecular evidence of a TMUV-related virus in Vietnam.

  • 4

    A TMUV draft genome was recovered from a pool of 25 field-caught Culex tritaeniorhynchus mosquitoes collected in rural southern Vietnam.

  • 5

    Rice cultivation, water-rich habitats, and duck rearing may create interfaces between mosquitoes and avian hosts that could facilitate enzootic TMUV transmission.

Original Source(s)

First mosquito-based molecular evidence of tembusu virus in Vietnam

  • by Do Huy Loc, Tatiana Sulesco, Gábor Endre Tóth, Renke Lühken, Jonas Schmidt-Chanasit, Thirumalaisamy P. Velavan

  • July 13, 2026

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