Blood Flukes

Bogitsh, Burton J.; Carter, Clint E.; Oeltmann, Thomas N.

doi:10.1016/b978-0-12-415915-0.00011-x

Cited by 17 publications

(21 citation statements)

References 12 publications

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“…School teachers have already proven to be valuable aides in STH control programs [78]. As direct lines of communication with pupils, school authorities, and parents, teachers could become instrumental advocates for cleaner, more hygienic schools thus further preventing opportunities for STH transmission [79]. Given that they spend between 5 to 6 hours a day in school, such improvements may result in significant health gains for children.…”

Section: Discussionmentioning

confidence: 99%

School hygiene and deworming are key protective factors for reduced transmission of soil-transmitted helminths among schoolchildren in Honduras

et al. 2014

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BackgroundAmong many neglected tropical diseases endemic in Honduras, soil-transmitted helminth (STH) infections are of particular importance. However, knowledge gaps remain in terms of risk factors involved in infection transmission. The aim of this study was to investigate risk factors associated with STH infections in schoolchildren living in rural Honduras.MethodsA cross-sectional study was conducted among Honduran rural schoolchildren in 2011. Demographic, socio-economic, and epidemiological data were obtained through a standardized questionnaire and STH infections were determined by the Kato-Katz method. Logistic regression models accounting for school clustering were used to assess putative risk factors for infection.ResultsA total of 320 children completed the study. Prevalences for any STH and for Ascaris lumbricoides, Trichuris trichiura and hookworms were: 72.5%, 30.3%, 66.9% and 15.9%, respectively. A number of risk factors were identified at the individual, household, and school level. Boys were at increased odds of infection with hookworms (OR 2.33, 95% CI = 1.23-4.42). Higher socio-economic status in the family had a protective effect against infections by A. lumbricoides (OR 0.80, 95% CI = 0.65-0.99) and T. trichiura (OR 0.77, 95% CI = 0.63-0.94).Low school hygiene conditions significantly increased the odds for ascariasis (OR 14.85, 95% CI = 7.29-30.24), trichuriasis (OR 7.32, 95% CI = 3.71-14.45), mixed infections (OR 9.02, 95% CI = 4.66-17.46), and ascariasis intensity of infection (OR 3.32, 95% CI = 1.05 -10.52).Children attending schools not providing deworming treatment or that had provided it only once a year were at increased odds of ascariasis (OR 10.40, 95% CI = 4.39-24.65), hookworm (OR 2.92, 95% CI = 1.09-7.85) and mixed infections (OR 10.57, 95% CI = 4.53-24.66).ConclusionsPoverty-reduction strategies will ultimately lead to sustainable control of STH infections in Honduras, but as shorter-term measures, uninterrupted bi-annual deworming treatment paired with improvements in school sanitary conditions may result in significant reductions of STH prevalence among Honduran schoolchildren.

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Section: Discussionmentioning

confidence: 99%

School hygiene and deworming are key protective factors for reduced transmission of soil-transmitted helminths among schoolchildren in Honduras

et al. 2014

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“…Pemeriksaan dengan metode ELISA dapat mendeteksi antibodi anti-Trichinella spp. minimal 12 hari setelah terinfeksi (Bogitsh et al 2005). Satu keuntungan metode ELISA adalah metode ini dapat mendeteksi infeksi sebelum hewan disembelih (Mitreva & Jasmer 2006).…”

Section: Asal Babi Hutanunclassified

Seroprevalence of Trichinellosis in Wild Boar in the District of Central Bengkulu, of Bengkulu Province

Lestari

Satrija

Tiuria

2018

JIPI

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Trichinellosis merupakan penyakit zoonotik yang disebabkan oleh infeksi cacing Nematoda genus Trichinella. Manusia dapat tertular trichinellosis karena mengonsumsi daging, terutama daging babi yang mengandung larva Trichinella spp. dalam kondisi mentah atau dimasak kurang matang (undercooked). Data tentang kasus trichinellosis pada manusia dan hewan di Indonesia masih sangat terbatas. Penelitian ini dilakukan untuk mengetahui seroprevalensi trichinellosis pada babi hutan hasil buruan dan tingkat pengetahuan masyarakat tentang trichinellosis pada babi hutan di Kabupaten Bengkulu Tengah, Provinsi Bengkulu. Penelitian ini merupakan studi lintas seksional (cross sectional study) yang dilakukan dengan pengambilan sampel serum babi hutan hasil buruan yang disembelih di TPH Talang Boseng, Kabupaten Bengkulu Tengah. Hasil uji serologis dengan metode indirect ELISA menunjukkan seroprevalensi trichinellosis sebesar 68,2% dari total 44 sampel yang diambil. Hasil seropositif berdasarkan kecamatan asal babi hutan, ditemukan pada 12 dari 18 babi hutan (66,7%) di Kecamatan Pondok Kubang dan 18 dari 26 babi hutan (69,2%) di Kecamatan Pondok Kelapa. Semua responden konsumen daging babi hutan tidak ada yang mengetahui bahwa konsumsi daging babi hutan dapat menjadi sumber penularan trichinellosis.

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“…had generalized that parthenogenesis and protandrogony (i.e., hermaphroditism) were the methods of reproduction for S. stercoralis in human hosts as the parasitic males did not exist in human body [6]. S. stercoralis in humans are parthenogenetic and can produce offspring without being fertilized by the male.…”

Section: Some Authorsmentioning

confidence: 99%

“…Strongyloides stercoralis is known to have two life cycles: an internal sexual cycle, involving parasitic worms that constitute the parasitic generation, and the external sexual cycle, interacting among free-living worms that represent the free-living generation in soil [1][2][3]. It had been stated by authors in modern textbooks, journals, and on the internet that the type of reproduction in the parasitic generation of S. stercoralis in human hosts was only by parthenogenesis of parasitic females in the absence of parasitic males [4][5][6][7]. Due to this concept of parthenogenesis the parasitic male had been omitted in the figures that demonstrated the life cycle of the parasitic generation of S. stercoralis in all modern and relevant textbooks, journals, and on the internet.…”

Section: Introductionmentioning

confidence: 99%

Epidemiological Studies on Strongyloides stercoralis at Dilla District, Ethiopia

Eriso

2014

Afro-Egyptian Journal of Infectious and Endemic Diseases

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Background and study aim: Some authors have accepted parthenogenesis or asexual reproduction and hermaphroditism (protandrogony) to be the only mode of reproduction of parasitic female Strongyloides stercoralis in human hosts as parasitic males of it did not exist in human hosts. Therefore, the first objective was to work out the infection rate of Strongyloides stercoralis in the population of elementary schools children at Dilla district; secondly, to produce a visible evidence for the prese nce of many parasitic males of Strongyloides stercoralis as there are parasitic females in fresh stools samples of human hosts; and thirdly, to replace the unfit term by a correct one. Patients and methods: Stools samples were collected from student children of elementary schools, and observed under microscope in the laboratory of parasitology after employing Baermann apparatus technique. Results: In the study a total of 710 student children were examined for Strongyloides stercoralis infection out of whom 142 (in 1 st study) were positive, confirming the infection rate to be 20% or 198 positive (in 2 nd study) the infection rate being 28% by the parasite. Then, the average infection rate was 24%. All developmental stages and sexes of the parasite were obtained in the study executed. Conclusion: The presence of many parasitic males with everted spicules observed in fresh stools samples during this study had been a very strong evidence for the fact that male and female copulation & fertilization were naturally taking place among parasitic worms of Strongyloides stercoralis in human hosts. Parasitic and free living males of S. stercoralis have the same morphology including the curved or coiled posterior body part.

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Blood Flukes

Cited by 17 publications

References 12 publications

School hygiene and deworming are key protective factors for reduced transmission of soil-transmitted helminths among schoolchildren in Honduras

School hygiene and deworming are key protective factors for reduced transmission of soil-transmitted helminths among schoolchildren in Honduras

Seroprevalence of Trichinellosis in Wild Boar in the District of Central Bengkulu, of Bengkulu Province

Epidemiological Studies on Strongyloides stercoralis at Dilla District, Ethiopia

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