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Studi Bio-Epidemiologi dan Analisis Spasial Kasus Malaria Daerah Lintas Batas Indonesia – Malaysia (Pulau Sebatik) Kabupaten Nunukan, Provinsi Kalimantan Timur {Bio-Epidemiology Study and Spatial Analysis of Malaria Cases on Indonesia-Malaysia Border Line (Sebatik Island) Nunukan Regency East Kalimantan Province}
Malaria remains to be a public health problem in Nunukan District (especially Sebatik island), East Kalimantan Province. Vector control programs using long lasting insecticide nets (LLINs), have been conducted by the Health Office. Yet malaria cases were still occurred on the previous years. Comprehensive research was conducted to determine the specific vector control strategies based on the vectors bionomic, spatial distributions of malaria cases and breeding habitats (GIS mapping and distance index analyses) and susceptible status of malaria vectors against insecticides.
The study revealed that three mosquito species were remain as potential malaria vectors such as: An. balabacensis and An. maculatus, the breeding habitats were fresh water wells/ponds and streams. In the coastal areas brackish water ponds and lagoon were found as the breeding habitats of An. sundaicus was recognized as malaria vector. Both malaria vectors (An. balabacensis and An. maculatus), were found resistant to insecticides Permethrin and Lambdacyhalothrin and tolerance against Malathion. Alternative insecticide should be considered as a replacement. Spatial analysis found that malaria cases were distributed on clumped/cluster, buffer zones against breeding habitat
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