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Trans R Soc Trop Med Hyg. 2013 Mar;107(3):200-3. doi: 10.1093/trstmh/trs095.

Bloodfeeding patterns of sylvatic arbovirus vectors in southeastern Senegal.

Author information

1
Unité d'Entomologie Médicale, Institut Pasteur de Dakar, 36 Avenue Pasteur, BP 220, Dakar, Senegal.

Abstract

BACKGROUND:

Dengue (DENV), yellow fever (YFV) and chikungunya (CHIKV) viruses circulate in sylvatic, enzootic transmission cycles in southeastern Senegal, but understanding of the vector-host interactions involved is limited.

METHODS:

The vertebrate hosts of several potential mosquito vectors of the three viruses were identified by PCR amplification and sequencing portions of the cytochrome b gene from bloodmeals of mosquitoes collected in Kedougou, Senegal, June 2010-January 2011.

RESULTS:

We identified the sources of 65 bloodmeals of 82 engorged mosquitoes. Aedes taylori was the only species that fed on monkeys (Chlorocebus sabaeus and Papio papio). The majority of the avian-derived bloodmeals were from the Western Plantain-eater (Crinifer piscator).

CONCLUSION:

These findings corroborate the importance of Ae. taylori and African monkeys in the sylvatic cycles of YFV, DENV and CHIKV and suggest the possible involvement of other vertebrates.

PMID:
23423342
PMCID:
PMC3913185
DOI:
10.1093/trstmh/trs095
[Indexed for MEDLINE]
Free PMC Article

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