Three human taeniid species, Taenia solium, Taenia saginata and Taenia asiatica are distributed in Indonesia. A field survey conducted in Bali from 2002 to 2006 showed that the prevalence of taeniasis was highly variable among four districts (1.1-27.5%), and only two cysticercosis cases due to T. solium infection were detected. All tapeworms (n = 66) expelled from 66 tapeworm carriers were confirmed to be T. saginata by mitochondrial DNA analysis. A total prevalence of 13.0% (19/146) for T. solium taeniasis was found in Jayawijaya District,
Abstract. The prevalence rate of ascariasis in primary school children in northern Jakarta, Indonesia varies from 60% to 90%. An association between helminthic infection and educational achievement has long been recognized. This study was carried out in the northern part of Jakarta among primary school children 6-8 years of age. Treatment of ascariasis and health education were used as the interventions. Before the interventions, basic data on socioeconomic status, epidemiology, infection with Ascaris lumbricoides, nutritional status, and cognitive function were collected. After the interventions, only data on infection with A. lumbricoides, nutritional status, and cognitive function were collected. The children were divided into five groups. Group I was given an anthelminthic (mebendazole), group II was provided with health education, group III was given an antihelminthic and provided with health education, group IV was given a placebo (controls), and group V consisted of egg-negative children, who also served as controls. Data from 336 students were analyzed by analysis of covariance. Parasitologic examinations showed a mean prevalence rate of 58.4% for A. lumbricoides infection in the pre-intervention children and a mean prevalence rate of 40.6% in the post-intervention children. Concerning nutritional status, approximately 80% of the children showed good scores in the pre-and post-treatment data, and only a small percentage (0.9-16.2%) showed mild or moderate malnutrition. No significant difference was found between the pre-and post-treatment nutritional status. The results of the cognitive test showed that the group treated with mebendazole showed significant improvement in the Colored Progressive Matrices and Coding test. Children also showed an improvement in their learning ability, concentration, and eye-hand coordination after five months of receiving this intervention.The prevalence of Ascaris lumbricoides infection in urban slum areas of Jakarta, Indonesia is high, especially in primary school children, in whom it ranges from 60% to 90% (Ismid IS and others, unpublished data). School children were reported to have the highest prevalences and intensities of these geohelminth infections, 1 which result in morbidity, malnutrition, and iron deficiency anemia. 2 An association between iron deficiency anemia and malnutrition in Indonesia has demonstrated their possible contribution to impaired cognitive function and educational achievement. 4 A correlation between helminthic infection and educational achievement has long been recognized. 5,6 However, it is unclear whether these relationships are causal or result from differences in socioeconomic status. 7 This paper reports the results of a study using an experimental design with two types of interventions, namely, the administration of an anthelmintic and health education. The objective of this study was to examine whether infection with A. lumbricoides in school children correlates with nutritional status and cognitive function. MATERIALS AND METHODSStudy...
Three taeniid tapeworms infect humans in Asia and the Pacific: Taenia solim, Taenia saginata, and Taenia asiatica. Although there is continuing debate about the definition of a new species, phylogenetic analyses of these parasites have provided multiple lines of evidence that T. asiatica is an independent species and the sister species of T. saginata. Here we review briefly the morphology, pathology, molecular biology, distribution and control options of taeniasis/cysticercosis in Asia and the Pacific and comment on the potential role which dogs may play in the transmission of T. solium. Special attention is focused on Indonesia: taeniasis caused by T. asiatica in North Sumatra, taeniasis/cysticercosis of T. solium and taeniasis of T. saginata in Bali, and taeniasis/cysticercosis of T. solium in Papua (formerly Irian Jaya). Issues relating to the spread of taeniasis/cysticercosis caused by T. solium in Papua New Guinea are highlighted, since serological evidence suggests that cysticercosis occurs among the local residents. The use of modern techniques for detection of taeniasis in humans and cysticercosis in humans, pigs and dogs, with the possible adoption of new control measures will provide a better understanding of the epidemiology of taeniasis/cysticercosis in Asia and the Pacific and lead to improved control of zoonotic and simultaneously meat-borne disease transmission.
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