Soil contamination by Ancylostoma spp. and Toxocara spp. eggs in elementary school playgrounds in the extreme south of Brazil.

Revista brasileira de parasitologia veterinaria = Brazilian journal of veterinary parasitology : Orgao Oficial do Colegio Brasileiro de Parasitologia Veterinaria Pub Date : 2022-01-01 DOI:10.1590/S1984-29612022003

Catia Cilene Santos de Mello, Leandro Quintana Nizoli, Alexsander Ferraz, Bruno Cabral Chagas, William James Domingues Azario, Sara Patron da Motta, Marcos Marreiro Villela

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引用次数: 4

Abstract

Millions of people worldwide, and especially schoolchildren, may be infected by geohelminths due to their exposure to a contaminated environment. The aim of this study was to evaluate soil contamination by Ancylostoma spp. and Toxocara spp. eggs in recreation areas at elementary schools in Pelotas, state of Rio Grande do Sul, Brazil. Sand samples were collected from 22 schools and were processed using the centrifugal flotation method. Helminth eggs with zoonotic potential were found in 12 out of the 22 schools (54.5%). Contamination by Ancylostoma spp. and Toxocara spp. was observed in 36.4% (8/22) and 27.3% (6/22) of the soil samples collected at these schools, respectively. These findings of eggs show that the school communities are exposed to risks of zoonotic transmission.

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巴西最南部小学操场上钩虫和弓形虫虫卵对土壤的污染。

全世界数以百万计的人，特别是学龄儿童，由于暴露在受污染的环境中，可能感染地虫。本研究的目的是评估巴西南里奥格兰德州佩洛塔斯市小学休闲区钩虫和弓形虫卵对土壤的污染。选取22个学校的沙粒，采用离心浮选法进行处理。22个学群中有12个学群(54.5%)检出具有人畜共患病可能性的虫卵。在这些学校采集的土壤样品中，钩虫和弓形虫的污染率分别为36.4%(8/22)和27.3%(6/22)。这些鸡蛋的调查结果表明，学校社区面临人畜共患病传播的风险。

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Revista brasileira de parasitologia veterinaria = Brazilian journal of veterinary parasitology : Orgao Oficial do Colegio Brasileiro de Parasitologia Veterinaria

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