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Multiple insecticide resistance: an impediment to insecticide-based malaria vector control program Instituut voor Tropische Geneeskunde
BACKGROUND: Indoor Residual Spraying (IRS), insecticide-treated nets (ITNs) and long-lasting insecticidal nets (LLINs) are key components in malaria prevention and control strategy. However, the development of resistance by mosquitoes to insecticides recommended for IRS and/or ITNs/LLINs would affect insecticide-based malaria vector control. We assessed the susceptibility levels of Anopheles arabiensis to insecticides used in malaria control, ...
Insecticide resistance: can it be avoided? Instituut voor Tropische Geneeskunde
The genetic background related to resistance against insecticides has abundantly been demonstrated during the last decades, hence slowing down the development of resistance has to be adapted accordingly. Currently, assays are designed to monitor the mechanisms of resistance in individual insects. Remarks on the interpretation of results obtained with the available bioassays are given together with some recommendations to control resistance
Multiple insecticide resistance: an impediment to insecticide-based malaria vector control program Universiteit Gent Universiteit Antwerpen
Effects of pyrethroid resistance on the cost effectiveness of a mass distribution of long-lasting insecticidal nets: a modelling study Instituut voor Tropische Geneeskunde
BACKGROUND: The effectiveness of insecticide-treated nets in preventing malaria is threatened by developing resistance against pyrethroids. Little is known about how strongly this affects the effectiveness of vector control programmes. METHODS: Data from experimental hut studies on the effects of long-lasting, insecticidal nets (LLINs) on nine anopheline mosquito populations, with varying levels of mortality in World Health Organization ...
Doses diagnostiques de la résistance d'Aedes aegypti aux insecticides organophosphores Instituut voor Tropische Geneeskunde
When intensity of deltamethrin resistance in Anopheles gambiae s.l. leads to loss of long lasting insecticidal nets bio-efficacy: a case study in north Cameroon Instituut voor Tropische Geneeskunde Universiteit Antwerpen
Background: In Cameroon, insecticide resistance in Anopheles (An.) gambiae s.l. has been reported in several foci, prompting further investigations on associated patterns of Long-Lasting Insecticidal Nets (LLINs) bio-efficacy. The current study, conducted from June to August 2011, explored the intensity of deltamethrin resistance in An. gambiae s.l. from Pitoa and its impact on the residual bio-efficacy of LifeNet, a LLIN with deltamethrin ...
Susceptibility of an organophosphate resistant strain of the two-spotted spider mite (Tetranychus urticae) to mixtures of bifenazate with organophosphate and carbamate insecticides Universiteit Gent
Bifenazate, a new and frequently used carbazate, is a pro-acaricide which needs to be activated by carboxylesterases. We evaluated the possible antagonism of organophosphate and carbamate insecticides on bifenazate toxicity in Tetranychus urticae applied in mixtures. Two organophosphate resistant strains were used (WI and MR-VL) and several organophosphate (chlorpyrifos, azinphosmethyl and phosmet) and carbamate (carbaryl and methomyl) ...
Insecticide susceptibility of Phlebotomus argentipes in visceral leishmaniasis endemic districts in India and Nepal Instituut voor Tropische Geneeskunde
OBJECTIVES: To investigate the DDT and deltamethrin susceptibility of Phlebotomus argentipes, the vector of Leishmania donovani, responsible for visceral leishmaniasis (VL), in two countries (India and Nepal) with different histories of insecticide exposure. METHODS: Standard WHO testing procedures were applied using 4% DDT and 0.05% deltamethrin impregnated papers. The effect of the physiological status (fed and unfed) of females on the outcome ...