Monitoring of temephos (abate) application as a cyclopicide under the guineaworm eradication programme in India.
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1990-03-01
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Temephos application in unsafe water sources at a dose of 1ppm, which started in 1986, is an important activity of the guineaworm eradication programme in India. During March 1989, monitoring of temephos application was carried out in six villages in each of the five guineaworm endemic districts: Kurnool (Andhra Pradesh), Gulbarga (Karnataka), Dhar (Madhya Pradesh), Thane (Maharashtra) and Jhalawar (Rajasthan), selected for the study. Out of 62 unsafe water sources targeted in the sampled villages for temephos treatment, 43 were treated during 1989 in the five districts (coverage 69.35 per cent). Out of these 43 treated sources 79.1 per cent were free of cyclops and the rest 20.93 per cent showed a variable cyclops count. 117 adult cyclops identified from these sources included Mesocyclops byalinus (82) and M. leuckarti (35). People's perception of utility of chemical treatment of water sources varied from negligibly low to moderate levels. Those areas which received timely application of temephos during the preceding year, al sharp decline in the number of cases in 1989 was observed. However, in those villages where no temephos was applied or where application was started as late as April or May, there was no impact on prevalence of the disease.
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Kaul SM, Saxena VK, Sharma RS, Raina VK, Mohanty B, Kumar A. Monitoring of temephos (abate) application as a cyclopicide under the guineaworm eradication programme in India. Journal of Communicable Diseases. 1990 Mar; 22(1): 72-6