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With the aim of recovering and identifying parasitic elements we studied soil samples from all public place of La Plata, Argentina (urban area). We surveyed 23 places during March and April, 2000 and at the time of study we measured both the pH and moisture content of each sample taken. We detected 552 parasitic elements, with 98 corresponding to protozoon cysts, 106 to helminth eggs and 348 to nematode larvae. We conclude that the soils in surveyed public places are contaminated with parasites of animal as well as human origin.

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