Outdoor residual spray for the control of monkey malaria vectors in Sarawak, Malaysia

The increase in cases of monkey malaria humans, especially Malaysia Borneo which is believed to be due infection by the vector that took place outdoor, shows importance outdoor residual spraying controlling this vector. This study aims evaluate effectiveness new formulation deltamethrin K-Othrine® (PolyZone) and examine its suitability control knowlesi Sarawak, comparison WG250 wettable granule, insecticide currently use programme. was performed at three sites Sarawak having similar type houses made out wood concrete. Houses two were sprayed with different dosages, one site 25 mg/m2 other 30 mg/m2. third (control house) indoor WG 250 granule Residual activity on walls assessed using WHO standard cone bioassay techniques. For surveillances, larvae adult surveillance conducted pre post spraying. Nested semi-nested PCR detect parasite mosquitoes. Outdoor Deltamethrin presented higher efficacy compared 250. wall surfaces (wood concrete) found varied. most effective regards ability cause mortality. Spraying during study, has resulted Julau reduced significantly. Based findings it recommended consider community for improved