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© Christine Schmitt, Anubis Vega Rua, Jean-Marc Panaud
Tête de moustique femelle Aedes albopictus, vecteur du virus de la dengue et du chikungunya. Microphotographie électronique à balayage, image colorisée.
Publication : PloS one

A laboratory-based study to explore the use of honey-impregnated cards to detect chikungunya virus in mosquito saliva.

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in PloS one - 01 Jan 2021

Fourniol L, Madec Y, Mousson L, Vazeille M, Failloux AB,

Link to Pubmed [PMID] – 33793656

Link to DOI – 10.1371/journal.pone.0249471

PLoS One 2021 ; 16(4): e0249471

Mosquito control is implemented when arboviruses are detected in patients or in field-collected mosquitoes. However, mass screening of mosquitoes is usually laborious and expensive, requiring specialized expertise and equipment. Detection of virus in mosquito saliva using honey-impregnated filter papers seems to be a promising method as it is non-destructive and allows monitoring the viral excretion dynamics over time from the same mosquito. Here we test the use of filter papers to detect chikungunya virus in mosquito saliva in laboratory conditions, before proposing this method in large-scale mosquito surveillance programs. We found that 0.9 cm2 cards impregnated with a 50% honey solution could replace the forced salivation technique as they offered a viral RNA detection until 7 days after oral infection of Aedes aegypti and Aedes albopictus mosquitoes with CHIKV.

https://pubmed.ncbi.nlm.nih.gov/33793656