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Memórias do Instituto Oswaldo Cruz

Print version ISSN 0074-0276On-line version ISSN 1678-8060

Mem. Inst. Oswaldo Cruz vol.88 no.3 Rio de Janeiro July/Sept. 1993

http://dx.doi.org/10.1590/S0074-02761993000300012 

Blastocystis hominis: occurrence in children and staff members of municipal day-care centers from Botucatu, São Paulo State, Brazil

Semíramis Guimarães1 

Maria Inês Leme Sogayar1 

Universidade Estadual Paulista, Instituto de Biociências, Departamento de Parasitologia, Botucatu, Brasil

ABSTRACT

To study the frequency of Blastocystis hominis among healthy individuals, feces were collected from 153 children and 20 staff members of some municipal day-care centers. Three separate stool specimens of each individual were processed by Lutz and Faust methods. From 173 studied individuals, 60 (34.7%) showed B. hominis, frequently in association with other intestinal parasites and/or commensals. B. hominis was found mainly in adults and children between 36 and 72 months old. All positive cases were detected only by Lutz method and the use of three stool specimens increased the positivity of the parasitological diagnostic.

Key words: Blastocystits hominis; day care centers; children; staff members; stool

 

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