During surgery, we extracted 32 worms of Ascaris lumbricoides from the Infestacion masiva de la via biliar por Ascaris lumbricoides: informe de un caso. Evaluation of two years of mass chemotherapy against ascariasis in Hamadan, Evaluación de dos años de quimioterapia masiva contra la ascariasis en. Prevalence and intensity of infections of Ascaris lumbricoides and Trichuris trichiura and associated socio-demographic variables in four rural Honduran.

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Geohelmintiasis: Más información

Pireh of the Ministry of Health and Medical Education of the Islamic Republic of Iran for constructive comments on the evaluation of the programme and for helping to design the study. No side-effects of mass treatment were observed.

We thank Dr Y. Ministry of Health and Medical Education; After two years the overall prevalence of ascariasis had fallen from Prevention and control of intestinal parasitic infections. Unpublished document in Persian. The mean, mode and median egg counts in different ascarid are indicated in Table 4.

In tropical regions the rate of reinfection with Ascaris spp.

OPS/OMS | Geohelmintiasis: Más información

International Journal for Parasitology ; Implementation and evaluation of a combined strategy using health education and massive chemotherapy to control geohelminthiasis in a rural zone in Colombia. Fallah, unpublished data, Although the present study does not constitute an actual impact evaluation, it provides an apparently successful experience with implementing a comprehensive strategy to control geohelminthiasis, which could serve as a model for other interventions in rural areas in the country.

World Health Organization; Services on Demand Article. Evaluation of two years of mass chemotherapy against ascariasis in Hamadan, Islamic Republic of Iran.


Massive Infestation of the biliary duct for Ascaris lumbricoi..|INIS

Their initiatives, educational work and efforts to improve community sanitation and hygiene contribute significantly to the effectiveness of control activities Farming is the principal occupation, and until recently most farmers used night soil as fertilizer because of its ready availability.

Intestinal parasitic infections and urbanization. The overall prevalence of intestinal helminths in the target localities before treatment was Bulletin of the World Health Organization. Nevertheless, it is desirable to make a careful study of the epidemiology of soil-transmitted helminths before undertaking large-scale control activities, especially with regard to periodic treatment schedules A control programme in rural areas of Hamadan Province, which began in Novemberinvolved giving all persons a single dose of mg albendazole at intervals of three months.

Weekly Epidemiological Record ;70 4: Systematic mass treatment giving high coverage proved to be very effective in the control of ascariasis, notwithstanding a lack of other preventive measures. This is especially true in communities where other interventions, e.

A single dose of mg albendazole was given to every person except children under 2 years of age and pregnant women.

Requests for anthelmintics, especially mebendazole, the main such drug on the local market, diminished dramatically after the implementation of the mass treatment programme.

The efficacy of control is clearly influenced by the drug used, its dosage rate, the intervals between successive doses, and the number of times the dose is repeated. Comparative prevalence of Ascaris lumbricoidesTrichuris trichiura and hookworm infections and the prospects for combined control.

Correspondence should be addressed to this author. Primary care workers have a basic role in ascariasis control because of their close links with communities. Albendazole as a future antigiardial agent. To evaluate the mass treatment of ascariasis in rural areas of Hamadan Province, Islamic Republic of Iran. The programme was evaluated in Decemberby which time eight treatments had been administered.


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Intensity of reinfection with Ascaris lumbricoides and its implications for parasite control. Parasitology Today ; This study implemented and evaluated a comprehensive intervention combining a health education strategy and massive chemotherapy in a rural zone in Colombia. Consequently, community-oriented projects have an essential role in the prevention and control of such diseases 1.

Bulletin of the World Health Organization ; Prevalences of geohelminthes at baseline were: Ascaris lumbricoides infection reflects socioeconomic status, environmental sanitary practices, health awareness and health education 2.

The entire school population participated in the health education strategy, in conjunction with biannual treatments with albendazole, between late and the middle of Albendazole treatment for Giardia intestinalis infections in school children. There is an efficient and comprehensive network of health centres in the rural areas of the Islamic Republic of Iran. Tropical Medicine and International Health ;2: This played a key role in the success of the programme, and district health officers were focal points for the community-oriented project.

Among the positive cases, Quasi-experimental design performed in La Virgen, Cundinamarca Colombia.

Such conditions provide a favourable environment for the development of A.