Detection of human case of dengue virus 2 belonging to sylvatic genotype during routine surveillance of fever in Senegal, Kolda 2021
Idrissa Dieng, Samba Niang Sagne, Mignane Ndiaye, Mamadou Aliou Barry, Cheikh Talla, Moufid Mhamadi, Diamilatou Balde, Cheikh Talibouya Touré, Boly Diop, Amadou Alpha Sall, Gamou Fall, Cheikh Loucoubar, Oumar Faye, Ousmane Faye
Abstract
Dengue virus 2 (DENV-2) was detected in a febrile patient living in Saré Yoba in the Kolda region of southern Senegal. Phylogenetic analysis based on the full coding region revealed that the virus belongs to the DENV-2 sylvatic genotype and is closely related to a strain (JF260983/99.66% identity) detected in Spain in a tourist who traveled to Guinea-Bissau (which borders the Kolda region) in 2009. This highlights a potential recent under-reported circulation of sylvatic dengue in the southern part of Senegal and calls for reinforced integrated surveillance among humans, non-human primates, and arboreal mosquitoes through a one-health approach.