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Review
. 2024 Dec 11:12:1496021.
doi: 10.3389/fpubh.2024.1496021. eCollection 2024.

Spatial-temporal distribution of chikungunya virus in Brazil: a review on the circulating viral genotypes and Aedes (Stegomyia) albopictus as a potential vector

Maria Eduarda Barreto Resck  1 , Daniel Cardoso Portela Câmara  2 , Flávia Barreto Dos Santos  1 , Jefferson Pereira Caldas Dos Santos  3 , Barry Wilmer Alto  4 , Nildimar Alves Honório  1   5
Affiliations
Review

Spatial-temporal distribution of chikungunya virus in Brazil: a review on the circulating viral genotypes and Aedes (Stegomyia) albopictus as a potential vector

Maria Eduarda Barreto Resck et al. Front Public Health. .

Abstract

Chikungunya virus (CHIKV) is mainly transmitted by the invasive mosquito Aedes (Stegomyia) aegypti in tropical and subtropical regions worldwide. However, genetic adaptations of the virus to the peri domestic mosquito vector Aedes (Stegomyia) albopictus has resulted in enhanced vector competence and associated epidemics and may contribute to further geographic expansion of CHIKV. However, evidence-based data on the relative role of Ae. albopictus in CHIKV transmission dynamics are scarce, especially in regions where Ae. aegypti is the main vector, such as in Brazil. Here, we review the CHIKV genotypes circulating in Brazil, spatial and temporal distribution of Chikungunya cases in Brazil, and susceptibility to infection and transmission (i.e., vector competence) of Ae. albopictus for CHIKV to better understand its relative contribution to the virus transmission dynamics.

Keywords: Aedes albopictus; chikungunya; environmental/ecological determinants; vector competence; virus diversity and genotypes.

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Conflict of interest statement

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

Figures

Figure 1
Figure 1
Time series of probable chikungunya cases in Brazil and in each of the five regions of the country: Midwest, Northeast, North, Southeast and South. Notice that the y-axis is not standardized. Source: The Brazilian national disease notification system (SINAN).
Figure 2
Figure 2
Spatial distribution of probable chikungunya cases in Brazil, 2015–2022. Source: The Brazilian national disease notification system (SINAN).
See this image and copyright information in PMC

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