Noreen Bukhtiari, Wahid Ur Rehman, Amir Hussain Khan, Sohail Ahmed, Muzammil Hasan Najmi.
Field Bioassay to evaluate the effectiveness of commercially available Repellents against the natural Population of Mosquitoes.
Pak Armed Forces Med J Jan ;50(2):108-13.

Malaria is a major health hazard among various public health problems in Pakistan. Among various personal protective measures against malaria, utilization of various repellents to reduce the invasion by malaria vector is an important control measure. The present study was conducted to found out the effectiveness of 3 commercially available mosquito repellents; A and C preparations containing N, N diethyltoluamide (DEET) and B constituted dimethyl phathalate. The study was conducted in an open grassy area on 6 human volunteers after taking their consent. Each of these subjects acted as control (untreated) and treated subjects on alternate days. The mosquito bites on control and treated subjects were noted down and the effectiveness of repellents was calculated by a standard formula. The effectiveness of repellents A, B and C were 98.5%, 99.5% and 89.6% respectively. The excellent area repellency provided by the repellents advocates their increased usage, which will reduce the disease transmission significantly.

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