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insecticide

Detoxification enzymes associated with insecticide resistance in laboratory strains of Anopheles arabiensis of different geographic origin

June 8, 2012 - 13:09 -- Patrick Sampao
Author(s): 
Nardini L, Christian RN, Coetzer N, Ranson H, Coetzee M, Koekemoer LL
Reference: 
Parasites & Vectors 2012, 5:113 (7 June 2012)

MalariaWorldThese data emphasise the complexity associated with resistance phenotypes and suggest that specific insecticide resistance mechanisms cannot be extrapolated to different vector populations of the same species.

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The First Large-Scale Use of Synthetic Insecticide for Malaria Control in Tropical Africa: Lessons from Liberia, 1945–1962

July 5, 2011 - 13:35 -- Patrick Sampao
Author(s): 
James L. A. Webb Jr
Reference: 
J Hist Med Allied Sci (2011) 66 (3): 347-376.

The malaria control project in Monrovia constituted the first large-scale use of synthetic insecticide to combat malaria in tropical Africa, and the WHO pilot project in Central Province was one of a first cluster of projects initiated to explore the efficacy of IRS in a variety of African ecological zones.

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Net Risk: A Risk Assessment of Long-Lasting Insecticide Bed Nets Used for Malaria Management

June 3, 2011 - 09:42 -- Patrick Sampao
Author(s): 
Robert K. D. Peterson, Loren M. Barber and Jerome J. Schleier III
Reference: 
Am J Trop Med Hyg 2011 84:951-956

Here, we use a probabilistic risk assessment approach to estimate the risks to Africans from inhalation, dermal, and oral exposures to the newer LLINs with permethrin, α-cypermethrin, or deltamethrin as the insecticide active ingredient.

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The Effect of Insecticide-Treated Mosquito Nets (ITMNs) on Japanese Encephalitis Virus Seroconversion in Pigs and Humans

March 3, 2011 - 12:27 -- Patrick Sampao
Author(s): 
Prafulla Dutta, Siraj A. Khan, Abdul M. Khan, Jani Borah, Chandra K. Sarmah, AND Jagadish Mahanta
Reference: 
Am J Trop Med Hyg, Mar 2011; 84: 466 - 472.

Monitoring of the mosquito population in and around cattle sheds during dusk revealed no significant decline (P > 0.05) of vector density during the post-intervention period in study localities.

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Open Access | Vectorial status and insecticide resistance of Anopheles funestus from a sugar estate in southern Mozambique

February 10, 2011 - 09:30 -- Patrick Sampao
Author(s): 
Kloke R, Nhamahanga E, Hunt RH, Coetzee M
Reference: 
Parasites & Vectors 2011, 4:16 (9 February 2011)

The insecticide resistance status and role in malaria transmission of Anopheles funestus was evaluated at the Maragra Sugar Estate in southern Mozambique where an IRS vector control programme has been in operation for seven years using the carbamate insecticide bendiocarb.

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Open Access | Chlorfenapyr: a new insecticide with novel mode of action can control pyrethroid resistant malaria vectors

January 27, 2011 - 06:21 -- Kabogo Ndegwa
Author(s): 
Kamaraju R, Barik TK, Sharma P, Bhatt RM, Srivastava HC, Uragayala S, Dash AP
Reference: 
Malaria Journal 2011, 10:16 (25 January 2011)

Laboratory studies with susceptible and resistant strains of An. culicifacies and An. stephensi, coupled with limited field studies with multiple insecticide-resistant An. culicifacies have shown that chlorfenapyr can be a suitable insecticide for malaria vector control, in multiple insecticide resistant mosquitoes especially in areas with pyrethroid resistant mosquitoes.

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Open Access | Oral Presentation: Larval time-to-hatch and insecticide resistance in the major malaria vector Anopheles gambiae from Ghana

November 5, 2010 - 09:34 -- Patrick Sampao
Author(s): 
Basil D Brooke, Maria L Kaiser, Lizette L Koekemoer, Maureen Coetzee, Richard H Hunt
Reference: 
Malaria Journal 2010, 9(Suppl 2):O5 (20 October 2010)

The effectiveness of insecticide based vector control methods is hampered there by the development of insecticide resistance.

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Centers for Disease Control Light Traps for Monitoring Anopheles arabiensis Human Biting Rates in an Area with Low Vector Density and High Insecticide-Treated Bed Net Use

October 5, 2010 - 09:20 -- Patrick Sampao
Author(s): 
Christen M. Fornadel, Laura C. Norris, AND Douglas E. Norris
Reference: 
Am J Trop Med Hyg, Oct 2010; 83: 838 - 842.

Our results suggest that in regions where use of vector control interventions is high and vector densities are low, CDC light traps can be used to monitor An. arabiensis HBRs.

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Analysis of Anopheles arabiensis Blood Feeding Behavior in Southern Zambia during the Two Years after Introduction of Insecticide-Treated Bed Nets

October 5, 2010 - 09:07 -- Patrick Sampao
Author(s): 
Christen M. Fornadel, Laura C. Norris, Gregory E. Glass, AND Douglas E. Norris
Reference: 
Am J Trop Med Hyg, Oct 2010; 83: 848 - 853.

Because insecticide-treated bed nets (ITNs) have the potential to alter host feeding behavior, the extent of the zoophilic and exophagic tendencies of the vector was evaluated during the two rainy seasons after ITN introduction.

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Predicting the Unmet Need for Biologically Targeted Coverage of Insecticide-Treated Nets in Kenya

October 5, 2010 - 08:52 -- Patrick Sampao
Author(s): 
Abdisalan M. Noor, Victor A. Alegana, Anand P. Patil, AND Robert W. Snow
Reference: 
Am J Trop Med Hyg, Oct 2010; 83: 854 - 860.

Spatially defined data on coverage of treated nets from recent national household surveys in Kenya were used within a Bayesian geostatistical framework to predict treated net coverage nationally.

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