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Review
. 2023 Aug 24:4:100139.
doi: 10.1016/j.crpvbd.2023.100139. eCollection 2023.

Temperature and transmission of chikungunya, dengue, and Zika viruses: A systematic review of experimental studies on Aedes aegypti and Aedes albopictus

Méryl Delrieu  1 , Jean-Philippe Martinet  1 , Olivia O'Connor  1 , Elvina Viennet  2 , Christophe Menkes  3 , Valérie Burtet-Sarramegna  4 , Francesca D Frentiu  5 , Myrielle Dupont-Rouzeyrol  1
Affiliations
Review

Temperature and transmission of chikungunya, dengue, and Zika viruses: A systematic review of experimental studies on Aedes aegypti and Aedes albopictus

Méryl Delrieu et al. Curr Res Parasitol Vector Borne Dis. .

Abstract

Mosquito-borne viruses are leading causes of morbidity and mortality in many parts of the world. In recent years, modelling studies have shown that climate change strongly influences vector-borne disease transmission, particularly rising temperatures. As a result, the risk of epidemics has increased, posing a significant public health risk. This review aims to summarize all published laboratory experimental studies carried out over the years to determine the impact of temperature on the transmission of arboviruses by the mosquito vector. Given their high public health importance, we focus on dengue, chikungunya, and Zika viruses, which are transmitted by the mosquitoes Aedes aegypti and Aedes albopictus. Following PRISMA guidelines, 34 papers were included in this systematic review. Most studies found that increasing temperatures result in higher rates of infection, dissemination, and transmission of these viruses in mosquitoes, although several studies had differing findings. Overall, the studies reviewed here suggest that rising temperatures due to climate change would alter the vector competence of mosquitoes to increase epidemic risk, but that some critical research gaps remain.

Keywords: Aedes; Chikungunya; Dengue; Temperature; Transmission; Zika.

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Conflict of interest statement

The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

Figures

Image 1
Graphical abstract
Fig. 1
Fig. 1
PRISMA flow diagram for the article selection process.
Fig. 2
Fig. 2
Distribution of included articles. A Range of temperatures applied to the study of arboviruses transmission by Aedes spp. vectors in the different articles included in the review. B Percentage of studies conducted with the two mosquito species of interest: Ae. aegypti and Ae. albopictus. C Percentage of studies conducted using the three viruses of interest, chikungunya virus (CHIKV), dengue virus (DENV) and Zika virus (ZIKV). Note: The numbers of included articles in panel A do not sum up to 34 because some studies relate to more than one category.
Fig. 3
Fig. 3
Distribution of included articles according to the reported observed impact of increased temperature on transmission (higher, lower, no impact) of arboviruses by mosquito vectors. The number of studies in each category is given. Note: The numbers of included articles do not sum up to 34 because some studies relate to more than one category.
See this image and copyright information in PMC

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