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Anopheles gambiae s.s

Open Access | Impact of insecticide-treated bed nets on malaria transmission indices on the south coast of Kenya

December 15, 2011 - 15:38 -- Kabogo Ndegwa
Author(s): 
Mutuku FM, King CH, Mungai P, Mbogo C, Mwangangi J, Muchiri EM, Walker ED, Kitron U
Reference: 
Malaria Journal 2011, 10:356 (13 December 2011)

http://www.pnas.org/content/108/50/20113.abstractThese entomological indices indicate a much reduced human biting rate and a diminishing role of An. gambiae s.s. in malaria transmission following high bed net coverage.

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Open Access | Distribution of a Knockdown Resistance Mutation (L1014S) in Anopheles gambiae s.s. and Anopheles arabiensis in Western and Southern Kenya

September 21, 2011 - 07:20 -- Kabogo Ndegwa
Author(s): 
Hitoshi Kawada, Kyoko Futami, Osamu Komagata, Shinji Kasai, Takashi Tomita, George Sonye, Cassian Mwatele, Sammy M. Njenga, Charles Mwandawiro, Noboru Minakawa, Masahiro Takagi
Reference: 
PLoS ONE 6(9): e24323

In Kenya, insecticide-treated mosquito nets (ITNs) distributed to pregnant women and children under 5 years old through various programs have resulted in a significant reduction in malaria deaths.

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Open Access | First report of the infection of insecticide-resistant malaria vector mosquitoes with an entomopathogenic fungus under field conditions

February 9, 2011 - 07:49 -- Kabogo Ndegwa
Author(s): 
Howard AF, N'Guessan R, Koenraadt CJ, Asidi A, Farenhorst M, Akogbeto M, Knols BG, Takken W
Reference: 
Malaria Journal 2011, 10:24 (2 February 2011)

This work shows promise for the use of B. bassiana fungal conidia against insecticide-resistant mosquitoes in the field, but further work is required to examine the role of environmental conditions on fungal virulence and viability with a view to eventually making the fungal conidia delivery system more able to withstand the ambient African climate.

Open Access | Spatial and temporal variation in the kdr allele L1014S in Anopheles gambiae s.s. and phenotypic variability in susceptibility to insecticides in Western Kenya

January 19, 2011 - 06:46 -- Kabogo Ndegwa
Author(s): 
Mathias DK, Ochomo EO, Atieli F, Ombok M, Bayoh M, Olang G, Muhia D, Kamau L, Vulule JM, Hamel MJ, Hawley WA, Walker ED, Gimnig JE
Reference: 
Malaria Journal 2011, 10:10 (14 January 2011)

The kdr L1014S allele has approached fixation in A. gambiae s.s. populations of western Kenya, and these same populations exhibit varying degrees of phenotypic resistance to DDT and pyrethroid insecticides.

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