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Entomological indices of Anopheles gambiae sensu lato at a rural community in south-west Nigeria
Background & objectives: Investigations were conducted to obtain key entomological indices of Anopheles gambiae s.l. at Igbo-Ora, a rural community in south-west Nigeria. Methods: Mosquitoes were caught daily for a week from rooms where tenants had slept the previous night in each of the four months...
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2009
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| LEADER | 00000njm a2000000a 4500 | ||
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| 001 | oai:repository.ui.edu.ng:123456789/1036 | ||
| 042 | |a dc | ||
| 720 | |a Noutcha, M. A. E. |e author | ||
| 720 | |a Anumudu, C. I. |e author | ||
| 260 | |c 2009 | ||
| 520 | |a Background & objectives: Investigations were conducted to obtain key entomological indices of Anopheles gambiae s.l. at Igbo-Ora, a rural community in south-west Nigeria. Methods: Mosquitoes were caught daily for a week from rooms where tenants had slept the previous night in each of the four months June, July (2001), and August, September (2002). Anopheles gambiae s.l. sibling species were PCR-identified, the blood meal origin was determined by direct ELISA, and the circumsporozoite antigen by sandwich ELISA. Mean weekly rates were calculated. Results: The mean human biting rates were 0.90 and 1.6 in 2001 and 2002 respectively. The mean weekly anthropophilic rates for An. gambiae s.l. were 82 and 86% in 2001 and 2002 respectively; they were high in An. gambiae s.s., An. arabiensis and non-identified species in the complex. The mean weekly circumsporozoite rates were 6.70% in 2001 and 6.30% in 2002. The mean weekly entomological inoculation rates (EIR) were 4.95 and 5.05 in 2001 and 2002 respectively; the seasonal (6-month) rates were high: 128.7 in 2001 and 131.3 in 2002, compared to data from other rural communities on the continent. Interpretation & conclusion: The implications of these findings on the role of An. gambiae s.l. in the holoendemicity of malaria at Igbo-Ora are discussed. | ||
| 024 | 8 | |a 0972-9062 | |
| 024 | 8 | |a Journal of Vector Borne Diseases 46, pp. 43-51 | |
| 024 | 8 | |a ui_art_noutcha_entomological_2009 | |
| 024 | 8 | |a http://ir.library.ui.edu.ng/handle/123456789/1036 | |
| 245 | 0 | 0 | |a Entomological indices of Anopheles gambiae sensu lato at a rural community in south-west Nigeria |