Índices de transmissão da esquistossomose mansoni em crianças menores de 10 anos, vivendo em área endêmica

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Abstract

De um total de 353 crianças menores de 10 anos, submetidas à intradermo-reação no Distrito de Capitão Andrade, município de Itanhomi, em Minas Gerais, 121 mostraram-se negativas. Repetidas as intradermo-reações com intervalo de 1 ano, verificou-se a "viragem" da reação em 10% das 121 crianças estudadas. Valorizou-se também a incidência de 10,4% baseada na positivação anual de exames de fezes na faixa etária de 0 a 10 anos.

Translated abstract

From a total of 353 children, younger than 10 years old, submited to intradermoreaction in the district of Capitão Andrade, county of Itanhomi, in Minas Gerais, appeared negative. The intradermo reaction was repeated after a year, and it was confirmed the reaction's change in 10% from the: 121 children. It was observed, too, the incidence of 10,4% supported in the annual presence of tuberde bacilus in stools between the ages of 0 and 10 years.

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Most cited references 9

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Studies on Schistosoma japonicum infection in the Philippines. III. Preliminary control experiments.

A BESA, T P PESIGAN, Kristen Hairston … (1957)

Among the measures used in attempts to control the snail host of S. japonicum in Leyte Province, Philippines, where the terrain is unsuited to the application of molluscicides, have been removal of vegetation in and around infested streams, drainage of water-logged areas, filling low-lying areas with earth or flooding them, and digging fishponds in sluggish streams. Each of these measures is described in detail.Experiments carried out in rice-fields, which harbour great numbers of snails, have shown that improvements in rice-growing methods will not only markedly reduce the snail population but also double the rice yield.A campaign to promote the use of pit latrines encountered the serious difficulty that such latrines were not acceptable to the people. However, there is evidence that use of pit latrines does bring about a reduction in snail infection rates.No single control measure is recommended for all snail habitats, the choice of method depending on local circumstances; in many areas a combination of methods proved advantageous. It is felt that mass treatment of infected persons would not be fully effective until transmission is more thoroughly under control.