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- Title
Landscape Ecology of Sylvatic Chikungunya Virus and Mosquito Vectors in Southeastern Senegal.
- Authors
Diallo, Diawo; Sall, Amadou A.; Buenemann, Michaela; Chen, Rubing; Faye, Oumar; Diagne, Cheikh T.; Faye, Ousmane; Ba, Yamar; Dia, Ibrahima; Watts, Douglas; Weaver, Scott C.; Hanley, Kathryn A.; Diallo, Mawlouth
- Abstract
The risk of human infection with sylvatic chikungunya (CHIKV) virus was assessed in a focus of sylvatic arbovirus circulation in Senegal by investigating distribution and abundance of anthropophilic Aedes mosquitoes, as well as the abundance and distribution of CHIKV in these mosquitoes. A 1650 km2 area was classified into five land cover classes: forest, barren, savanna, agriculture and village. A total of 39,799 mosquitoes was sampled from all classes using human landing collections between June 2009 and January 2010. Mosquito diversity was extremely high, and overall vector abundance peaked at the start of the rainy season. CHIKV was detected in 42 mosquito pools. Our data suggest that Aedes furcifer, which occurred abundantly in all land cover classes and landed frequently on humans in villages outside of houses, is probably the major bridge vector responsible for the spillover of sylvatic CHIKV to humans
- Subjects
SENEGAL; LANDSCAPE ecology; CHIKUNGUNYA; MOSQUITO vectors; IMMUNOFLUORESCENCE; PATAS monkey
- Publication
PLoS Neglected Tropical Diseases, 2012, Vol 6, Issue 6, p1
- ISSN
1935-2727
- Publication type
Article
- DOI
10.1371/journal.pntd.0001649