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[Diffusion of intestinal parasitic diseases in some Milanese kindergartens].

During the months of October and November 1977, 560 children aged between three and five attending some kindergartens of Milan were studied to evaluate the diffusion of intestinal parasitic infections. Among a first group of 274 children, examination of the stool only with Ritchie's method was positive in 14.96% of subjects. When Scotch tape swab test for enterobiasis was also carried out, the diffusion of parasitic infections resulted higher (54.54% in a second group of 286 cases). These data were correlated to the same parameters (age and sex, place of origin and social status of the family, density of inhabitants, hygienic situation), obtaining almost corresponding values in the two groups. In particular, an increase of the incidence of parasitic infections with advancing age and a higher diffusion among members of immigrated italian families (especially if living in overcrowded houses at low hygienic conditions) were observed.

Age Factors↗
PubMed1990

[Parasite prevalence in schools with different socioeconomic status and evaluation of methods for diagnosing intestinal parasitic diseases].

In this study; the parasite prevalence of schools with different socio-economical status and three methods for diagnosing intestinal parasitosis were evaluated. Children from two primary schools and one junior high school with different socio-economical status participated in the study. The three method used for diagnosing parasitosis in this study were direct wet mounts, concentrated saline flotation technique, and zinc sulfate centrifugal flotation method. Parasitosis was found in 69 fecal samples (18%). The distribution of the parasites found were Hymenolepis nana (29%), Ascaris lumbricoides (26%), Enterobius vermicularis (23%), Trichirus trichiura (18%), taenia saginata (4%). The parasite prevalence in schools with low and high socioeconomical status differed significantly (27% vs. 5% respectively). Combined methods were superior to single methods. The combined method of direct wet mounts and zinc sulfate centrifugal flotation was the most sensitive method (diagnosis rate 90%). But we think that the combined method of direct wet mounts and concentrated saline flotation technique is a simpler method with almost equal results (86%).

Adolescent↗