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

Author:

Mello Catia Cilene Santos de1,Nizoli Leandro Quintana1,Ferraz Alexsander1,Chagas Bruno Cabral1,Azario William James Domingues2,Motta Sara Patron da1,Villela Marcos Marreiro1ORCID

Affiliation:

1. Universidade Federal de Pelotas, Brasil

2. Prefeitura Municipal de Pelotas, Brasil

Abstract

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.

Publisher

FapUNIFESP (SciELO)

Subject

General Veterinary,Parasitology

Reference22 articles.

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3. Contaminação ambiental por ovos de Ancylostoma spp. e Toxocara spp. em áreas de seis praças públicas do município de Valença, estado do Rio de Janeiro;Cirne FSL;Acta Biomed Bras,2017

4. Methods for quantification of soil-transmitted helminths in environmental media: current techniques and recent advances;Collender PA;Trends Parasitol,2015

5. Studies on flotation techniques for the recovery of helminth eggs from soil and the prevalence of eggs of Toxocara spp. in some Kansas public places;Dada BJO;J Am Vet Med Assoc,1979

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