Laura Nyawira Wangai and Kiambo Njagi
Background: Scientists and Manufactures are working closely in order to develop new tools and strategies that can fight resistant malaria vectors more efficiently. Sumitomo chemicals of Japan a company with a long history of production of long-lasting insecticides treated nets (LLINs); Olyset® nets have developed Olyset® Plus, which has synergy- piperonyl butoxide (PBO). It is anticipated while PBO is not an insecticide; it will enhance the knockdown effect of permethrin on olyset net thus killing mosquitoes with metabolic resistance mechanism. The study aimed at evaluating efficacy trial of new pest control product: Olyset® Plus-long lasting insecticide treated net with added synergist (piperonyl butoxide) for malaria vector control in Kenya.
Methodology: We evaluated the knockdown and killing effect of Olyset® Plus net compared to Olyset® net which is within the Kenyan market using field collected mosquitoes.
Results: The Olyset® Plus nets showed 100% mosquito knockdown indicating good performance compared to Olyset® a locally marketed LLINs which had 95%. Permethrin-treated net with PBO was found to be more effective against mosquitoes, retains acceptable mosquito killing effect after several washes.
Conclusion: Olyset® Plus nets are recommended for registration and use in Kenya as an LLINs against mosquito vectors of malaria if it meets all other requirements of Pest Control Products Board.
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