Control of parasitic infections among school children in the peri-urban area of Botucatu, Sao Paulo, Brazil

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Dorea, R. C C [UNESP]
Salata, E. [UNESP]
Padovani, C. R. [UNESP]
Dos Anjos, G. L. [UNESP]

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The prevalence of intestinal parasitosis was investigated in a primary school located in Rubiao Junior, a peri-urban district of Botucatu, Sao Paulo state, Brazil, in order to assess the effect of treatment and practical measures of prophylaxis in the control of parasitic infections among 7-to-18-year-old school children of a low socio-economic status. The first series of parasitological examinations included 219 school children, of which 123 (56.1%) were found to be infected with one or more parasite species. Eighty-four children carrying pathogenic parasites were submitted to various anti-parasitic treatment schedules. We re-evaluated 75 (89%) students after 4 to 6 months postchemotherapy. The results indicate that the combination of treatment with prophylactic measures has been successful in the control of parasitic infections, since reinfection rates were generally low (≤5.3%), except for Giardia lamblia infections (18.6%), and a marked reduction on the prevalence rates was observed with a significant percentage of cure (≤73.1%) in children infected with most parasite species. The reasons for the apparent failure in the control of infections caused by Hymenolepsis nana and Strongyloides stercoralis are discussed.



intestinal parasitosis, prevalence, prophylaxis, school children, treatment, levamisole, metronidazole, tiabendazole, adolescent, child, feces analysis, human, intestine parasite, intravenous drug administration, major clinical study, parasitosis, school child, social status, Adolescent, Brazil, Child, Female, Humans, Intestinal Diseases, Parasitic, Male, Prevalence, Suburban Health, Giardia intestinalis, hymenolepsis, hymenolepsis nana, Strongyloides stercoralis

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Revista da Sociedade Brasileira de Medicina Tropical, v. 29, n. 5, p. 425-430, 1996.