Potentially zoonotic parasites in the soil of public squares in the city of Aracaju (Sergipe, Northeastern Brazil)

Lee, Daniel Antônio Braga; Oliveira, Erick Luiz Conceição de; Lee, Gustavo Alexis Sabillón; Silva, Pablo Lopes da; Santos, Patrícia Oliveira Meira; Lima, Víctor Fernando Santana

doi:10.1016/j.vprsr.2021.100619

Cited by 4 publications

(4 citation statements)

References 26 publications

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“…larvae and Entamoeba coli cysts were the parasitic structures identified in this research. Similarly, Lee et al (2021) verified the presence of hookworm larvae, Strongyloides sp. larvae and Capillaria sp.…”

Section: Discussionmentioning

confidence: 79%

Occurrence of parasites in the soil of public squares in Veranópolis, Rio Grande do Sul, Brazil

Bataglion¹,

Dalzochio²

2023

Rev Patol Trop

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Human health is threatened by diseases transmitted between animals and humans, denominated zoonoses. Public parks and squares are environments used by the population and easily accessed by domestic and stray animals. The contact of dogs and cats with the soil from those places may favor the transmission of zoonoses to humans. This study aimed to determine the occurrence of parasites in the soil of public squares in the city of Veranópolis in Rio Grande do Sul State. Forty sand samples were collected in four squares throughout the months of December 2021, January, February and March 2022. The samples were processed by the Hoffman, Pons and Janer (HPJ) and Rugai methods. The results showed that 32.5% (13/40) of samples were positive for the presence of parasitic structures. Nematode larvae, including hookworm, were the most prevalent parasitic structures in the samples. In addition, Capillaria sp. eggs, Strongyloides sp. larvae, free-living larvae and Entamoeba coli cysts were also found. Two collections conducted after rainy days had a higher rate of contamination. The presence of parasites was observed in both superficial and deep samples. Therefore, the presence of parasites in the sand of Veranópolis’ public squares demonstrates that there is a risk of parasitic infection for the local population. KEY WORDS: Animals; parasites; soil; squares; zoonoses.

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Section: Discussionmentioning

confidence: 79%

Occurrence of parasites in the soil of public squares in Veranópolis, Rio Grande do Sul, Brazil

Bataglion¹,

Dalzochio²

2023

Rev Patol Trop

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“…It is important to highlight that soil is increasingly recognized as an important source of transmission of T. gondii ( Afonso et al, 2008 ; Escotte-Binet et al, 2019 ) and G. duodenalis ( Balderrama-Carmona et al, 2014 ; Lee et al, 2021 ; Omeragić et al, 2021 ; Paller et al, 2022 ) . However, detecting the presence and estimating the load of T. gondii in soil has been difficult given limitations in the availability of detection methods ( Shapiro et al, 2019a , Shapiro et al, 2019b ).…”

Section: Discussionmentioning

confidence: 99%

“…Documenting the degree of soil contamination with T. gondii oocysts and G. dudodenalis cysts is fundamental to propose efficacious measures to prevent toxoplasmosis and giardiasis ( Slifko et al, 2000 ; Escotte-Binet et al, 2019 ; Dumètre et al, 2012 ; Lee et al, 2021 ; Paller et al, 2022 ). Molecular assays are currently the most sensitive and effective methods to detect T. gondii and G. dudoenalis in soil ( Orlofsky et al, 2013 ; Shapiro et al, 2019a ; Slifko et al, 2000 ).…”

Section: Discussionmentioning

confidence: 99%

Detection of Giardia duodenalis and Toxoplasma gondii in soil and water samples in the Quindío River basin, Colombia

Pinto-Duarte

Hernández-Arango

Marin-Gallego

et al. 2022

Food and Waterborne Parasitology

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“…Several studies have reported soil contamination with Ancylostoma spp. in public places, universities, schools, clubs and beaches ( Gallina et al, 2011 ; Rocha et al, 2011 ; Marques et al, 2012 ; Ribeiro et al, 2013 ; Sprenger et al, 2014 ; Leon et al, 2020 ; Silva et al, 2020 ; Lee et al, 2021 ; Mello et al, 2022 ; Nath et al, 2023 ).…”

Section: Introductionmentioning

confidence: 99%

Evaluation of heating and liming treatments in sand samples artificially contaminated with Ancylostoma spp. eggs

Ferreira,

Garcia,

Lima

et al. 2024

Rev. Bras. Parasitol. Vet.

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Ancylostoma spp. are found worldwide. Infected dog and cat feces can contaminate soil in public places. Despite prophylactic measures being available, studies on direct remediation of Ancylostoma-contaminated soils are scarce. This study aimed to determine the impact of heat treatment and liming on the viability of Ancylostoma spp. eggs in artificially contaminated sandy soil. Sterilized sand samples were contaminated with Ancylostoma spp. eggs extracted from infected dogs’ feces. Samples were heated (trial I) to 70 °C or 80 °C, then sieved after 24 hours (212, 90, 38, and 25 µm). Larval cultures were assessed for larval development following heat treatment. Five quicklime concentrations (trial II; 50, 30, 20, 10 and 5%) were used to treat sand. The effect of liming on larval cultures was assessed by measuring embryonic development. Filariform larvae were exposed to 20% quicklime (25 °C and 37 °C, 20 min). Heat treatment destroys Ancylostoma spp. eggs and prevents in vitro larval development. Liming at 50, 30, and 20% concentrations made embryonic development impossible. However, filariform larvae treated with 20% lime solution retained their motility. Heating at 70 °C and liming at 20% were sufficient to make Ancylostoma spp. egg embryogenesis impossible in experimentally contaminated sand samples.

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Potentially zoonotic parasites in the soil of public squares in the city of Aracaju (Sergipe, Northeastern Brazil)

Cited by 4 publications

References 26 publications

Occurrence of parasites in the soil of public squares in Veranópolis, Rio Grande do Sul, Brazil

Occurrence of parasites in the soil of public squares in Veranópolis, Rio Grande do Sul, Brazil

Detection of Giardia duodenalis and Toxoplasma gondii in soil and water samples in the Quindío River basin, Colombia

Evaluation of heating and liming treatments in sand samples artificially contaminated with Ancylostoma spp. eggs

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