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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/1464

Title: Contributions of Different Mosquito Species to the Transmission of Lymphatic Filariasis in Central Nigeria: Implications for Monitoring Infection by PCR in Mosquito Pools
Authors: Lenhart, Audrey
Eigege, Abel
Kal, Alphonsus
Pam, D.
Miri, Emmanuel S
Gerlong, George
Oneyka, J.
Sambo, Y.
Danboyi, J.
Ibrahim, B.
Dahl, Erica
Kumbak, D.
Dakul, A.
Jinadu, M.Y.
Umaru, John
Richards, Frank O.
Lehmann, Tovi
Issue Date: 29-Nov-2007
Publisher: Filaria Journal
Series/Report no.: Vol. 6;No. 14
Abstract: Background: Members of the Anopheles gambiae complex are important vectors of lymphatic filariasis (LF) in sub-saharan Africa, but title is known about the relative contributions of all mosquitoes to lymphatic filariasis transmission in this area. Methods: Over a 28 month period, mosquitoes were collected from 13 villages in Plateau and Nasarawa states in central Nigeria and dissected to determine W. bancrofti infection status. Wings and legs from a subset of the mosquitoes visually identified as A. gambiae s.l. were identified by PCR as either A. gambiae s.s. or A. arabiensis. Results: A. gambiae s.s peaked in abundance during the rainy season while A. arabiensis predominated during drier parts of the year. Both species were found equally likely to be infected with the developing states (L₁-L₃) of W. bancrofti (9.2% and 11.1%, respectively). Fewer A. funestus (1.1%, p<0.001) were infected than A. gambiae s.l. Conclusion: Understanding the relative contributions of morhologically indistinguishable species to LF transmission is essential if PCR is to be performed on mosquito pools. In the study area, the use of mosquito pools composed of A. gambiae sibling species would not be problematic, as both A gambiae s.s. and A. arabiensis contribute equally to LF transmission.
URI: http://hdl.handle.net/123456789/1464
Appears in Collections:Zoology

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