Soil-Transmitted Helminthic Zoonoses in Humans and Associated Risk Factors

Santarém, Vamilton Álvares; Rubinsky-Elefant, Guita; Ferreira, Marcelo Urbano

doi:10.5772/23376

Cited by 7 publications

(7 citation statements)

References 116 publications

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“…Hookworm eggs require an environment that protects them from desiccation to evolve into infective larvae of the third stage and the beach sand can perfectly fulfill this role and can survive 3 to 4 weeks (Centers for Disease Control and Prevention, 2019b). The presence of dogs and cats may also play an important role on soil contamination by agents of larva migrans and the sandy environments are favorable for the propagation of hookworm larvae of animals (Santarém et al, 2011). Cassenote et al (2011) observed that the number of dogs in parks had an impact on soil contamination in public spaces and has been recognized as a risk factor.…”

Section: Discussionmentioning

confidence: 99%

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Parasites with zoonotic potential in pets feces on the beaches of greater Florianópolis, Santa Catarina, Brazil

Bricarello¹,

Silva²,

Oliveira³

et al. 2020

Braz. J. Vet. Res. Anim. Sci.

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In Brazil, dogs and cats have free access in public areas in some cities, such as squares, parks and beaches, despite restrictive laws for their permanence in these places. Animals infected with intestinal parasites contaminate the environment through their feces. The present study aimed to verify the occurrence of helminth eggs, oocysts and protozoan cysts in stool samples from three beaches in Greater Florianópolis, Santa Catarina, Brazil, from March 2017 to April 2018. Stool samples were processed by the Willis-Mollay flotation technique and the Hoffman sedimentation technique. The percentage of 47.65% of positive samples for helminths or protozoa was found on the southern beaches of Florianópolis island, with an occurrence of 52.78% at Morro das Pedras Beach and 42.86% at Campeche Beach. At Pinheira beach, in Palhoça, 56.66% of the samples were contaminated with one or more zoonotic parasites. In this study, the most prevalent parasites on the three beaches analyzed were hookworms and Trichuris vulpis, followed by Giardia spp. and Cystoisospora spp. Samples containing Toxocara spp. eggs were collected at Pinheira beach. It is concluded that the contamination of the beaches in the present study constitutes a public health problem, considering the possibility of zoonoses transmission. The importance of implementing sanitary programs for the control of parasites in dogs and cats is emphasized, as well as awareness and education programs, in order to reduce environmental contamination in public places.

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Section: Discussionmentioning

confidence: 99%

“…Cutaneous larva migrans is the most common dermatological condition that affects population in Florianópolis, SC (Florianópolis, 2014). The imported cases are often reported after exposure to beaches in regions where Ancylostoma caninum is commonly found in its definitive hosts (Santarém et al, 2011).…”

Section: Discussionmentioning

confidence: 99%

Parasites with zoonotic potential in pets feces on the beaches of greater Florianópolis, Santa Catarina, Brazil

Bricarello¹,

Silva²,

Oliveira³

et al. 2020

Braz. J. Vet. Res. Anim. Sci.

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“…Toxocara canis is transmitted to humans mainly by the incidental ingestion of embryonated eggs present in the soil or soil-contaminated food (2,3,80). Most eggs (51%-95%) recovered from the soil of temperate countries were fully embryonated and, therefore, infective (81).…”

Section: Soil-transmittedmentioning

confidence: 99%

A Comprehensive Review on Major Zoonotic Parasites From Dogs and Cats

Tolawak

Garedaghi

2023

Int J Med Parasitol Epidemiol Sci

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Zoonotic diseases are significant causes of morbidity and mortality in humans and animals, including birds. These diseases are transmitted through several routes and are reported in developing and developed nations of the world. The dogs and cats also act as the reservoirs of a large number of parasitic zoonoses, including toxoplasmosis, giardiasis, leishmaniasis, toxocariasis, and cryptosporidiosis. The roles of pet animals (cats and dogs) in transmitting human infections have been recognized worldwide. Since most of these parasites have an oral-fecal transmission cycle, the transmission of these zoonotic agents could occur through indirect contact with animal feces, contaminated water, and food, or direct contact with infected animals. In addition, the soil is an important route for the transmission of human pathogens. In socioeconomically disadvantaged communities, the poor levels of hygiene and overcrowding, together with a lack of veterinary attention and zoonotic awareness, exacerbate the risks of disease transmission. Traditional husbandry and inadequate management practices, the mixing of wild animals with farm animals, and unrestricted movement and living pastoralists with their animals can all contribute to the development of zoonotic diseases. Therefore, veterinarians are thought to be on the ‘front line’ of the prevention of pet animal-associated zoonotic parasitic infections.

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“…Another serious health problem is the presence of Toxocara canis eggs in these samples, as the main infection source of this parasite is embryonated eggs present in soil or water (Santarem et al, 2011). The larvae of Toxocara canis cause human toxocariasis or visceral larva migrans (CLM) that may remain asymptomatic or lead to cases with severe symptoms such as high temperature, eosinophilia, hepatomegaly, ocular symptoms, pulmonary symptoms, cardiac symptoms, or cerebral lesions (Despommier, 2003).…”

Section: Introductionmentioning

confidence: 99%

Intestinal Parasites Present in Canine Fecal Samples Collected in Rural Areas of Municipalities in the Midwest of Santa Catarina, Brazil

Frizzo¹,

Schimidt²,

Wagner³

et al. 2016

Rev Patol Trop

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O estudo das parasitoses intestinais que ocorrem em cães nas áreas rurais do Brasil assume grande importância ante a escassez de trabalhos sobre este assunto. Foram coletadas amostras fecais de cães encontradas no solo de propriedades rurais de alguns municípios da região meio oeste do estado de Santa Catarina. No laboratório, as amostras foram processadas e analisadas pelo método de Hoffman e por centrífugo-flutuação em solução de sacarose. Verificou-se a presença de pelo menos um parasito em 56,0% das amostras. Os seguintes parasitos foram encontrados: Ancylostoma sp., Toxocara canis, Trichuris vulpis, Dipylidium caninum, Giardia sp., Cryptosporidium sp. and Taenia sp. / Echinococcus sp. Estes resultados indicam um nível elevado de contaminação do ambiente rural por parasitos de cães; por conseguinte, os níveis de infecção de cães na área estudada foram também elevados. O quadro sugere a necessidade da adoção de medidas eficazes de saúde pública e remete à discussão das possíveis implicações de tais resultados.

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Soil-Transmitted Helminthic Zoonoses in Humans and Associated Risk Factors

Cited by 7 publications

References 116 publications

Parasites with zoonotic potential in pets feces on the beaches of greater Florianópolis, Santa Catarina, Brazil

Parasites with zoonotic potential in pets feces on the beaches of greater Florianópolis, Santa Catarina, Brazil

A Comprehensive Review on Major Zoonotic Parasites From Dogs and Cats

Intestinal Parasites Present in Canine Fecal Samples Collected in Rural Areas of Municipalities in the Midwest of Santa Catarina, Brazil

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