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VOL. 10, ISSUE 12 (2025)
Active circulation of Rift Valley Fever Virus in mosquitoes in Côte D’ivoire
Authors
Kouassi Konan Adjoua Rose Marie Clémence, Sadia Gba Christabelle, Konan Kouassi Yannick, Adjogoua Edgard Valery, Karamoko Yahaya
Abstract
Rift Valley Fever (RVF) is an emerging arboviral disease whose
transmission dynamics remain poorly documented in Côte d’Ivoire. This study
aimed to assess the active circulation of the RVF virus in mosquitoes across
four representative geographic zones of the country: North, South, East, and
Central. Entomological collections were conducted using light traps in the
cities of Abidjan, Bondoukou, Bouaflé, and Korhogo. Collected mosquitoes were
sorted, morphologically identified, and pooled for molecular analyses. Viral
detection was performed using polymerase chain reaction (PCR) targeting a
specific genomic segment of the Rift Valley Fever virus (RVFV). The results
revealed the presence of the viral genome in several mosquito pools, confirming
active RVFV circulation in all four study areas. RVFV was detected in Aedes
aegypti (10.5%) and Culex quinquefasciatus (1.3%). Detection of the
virus in these potential vectors suggests silent viral transmission among
animal and human populations. These findings highlight the need to strengthen
entomological and epidemiological surveillance of RVF in Côte d’Ivoire to
prevent the emergence of future outbreaks.
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Pages:98-104
How to cite this article:
Kouassi Konan Adjoua Rose Marie Clémence, Sadia Gba Christabelle, Konan Kouassi Yannick, Adjogoua Edgard Valery, Karamoko Yahaya "Active circulation of Rift Valley Fever Virus in mosquitoes in Côte D’ivoire". International Journal of Entomology Research, Vol 10, Issue 12, 2025, Pages 98-104
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