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Mosquito vectors of arboviruses in French Polynesia

V Richard1, V-M Cao-Lormeau1

  • 1Institut Louis Malardé, Papeete, Tahiti, French Polynesia.

New Microbes and New Infections
|July 19, 2019
PubMed

Insights

Mosquitoes in French Polynesia, including Aedes aegypti and Aedes polynesiensis, transmit arboviruses like dengue, zika, and chikungunya. These vectors pose a significant risk for future arbovirus outbreaks in the region.

Area of Science:

  • Medical entomology
  • Virology
  • Public health

Background:

  • Arthropod-borne viruses (arboviruses) are a significant public health concern globally.
  • French Polynesia (FP) is situated in the Pacific, a region where arbovirus circulation is notable.
  • Understanding mosquito vector dynamics is crucial for managing arbovirus transmission in island nations.

Purpose of the Study:

  • To review and identify mosquito species acting as vectors for arboviruses in French Polynesia.
  • To assess the role of specific mosquito species in the transmission of known and potential arboviruses.
  • To evaluate the risk of new arbovirus emergences in French Polynesia.

Main Methods:

  • Literature review of existing studies on mosquito vectors and arboviruses in French Polynesia.
  • Identification of key mosquito species based on distribution and known vector competence.
  • Analysis of documented and potential arbovirus transmission cycles.

Main Results:

  • Aedes aegypti and Aedes polynesiensis are confirmed major vectors, capable of transmitting dengue, zika, and chikungunya viruses.
  • Culex annulirostris contributes to the circulation of Ross River virus alongside Aedes species.
  • Several mosquito species in FP are known vectors for a wide range of arboviruses.

Conclusions:

  • The presence of competent mosquito vectors in French Polynesia presents a high risk for the emergence of new arboviruses.
  • Continued surveillance of mosquito populations and arbovirus activity is essential for public health.
  • Integrated vector management strategies are necessary to mitigate arbovirus transmission risks.
Keywords:
Aedes aegyptiAedes polynesiensisCulex annulirostrisFrench PolynesiaRoss River virusZika virusarboviruseschikungunya virusdengue virusmosquito vectors

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