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Cited by 202Parasitic infections in humans and animalsParasitic Diseases Research and TreatmentHelminth infection and control

Aspects of Toxocara Epidemiology: Human Toxocarosis

Overgaauw, Paul A. M., Nederland, Virbac·1997·Critical Reviews in Microbiology
DOI 10.3109/10408419709115137
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Abstract

Toxocarosis is the clinical disease in man caused by infection of zoonotic roundworms of dogs and cats, Toxocara canis and T. cati. In this review the mode of transmission to the human by oral ingestion of Toxocara eggs from the environment is discussed. T. cati seems to play a more important role than generally suggested. Direct contact with animals is not considered a potential risk because embryonation of excreted Toxocara ova requires a minimum of 2 weeks. For the same reason there is no relationship expected between infection and exposure to dogs and cats in the household. Children more frequently have clinical symptoms because of the closer contact with contaminated soil in yards and sandpits, the lack of hygiene, and because of eating dirt. Toxocara larval migration in the body can cause various clinical syndromes. Visceral larva migrans, ocular larva migrans, and covert toxocarosis are described. Serodiagnostic techniques are reliable tools to detect antibodies or antigens. Systemic treatment with anthelmintics is described but can result in hypersensitivity reactions caused by dying larvae. For ocular lesions, laser photocoagulation and corticosteroid therapy are described. Preventive measures consist of preventing contamination of the environment with Toxocara eggs and for education of pet owners and non-pet owners to increase awareness about potential zoonotic hazards. Veterinary practitioners, general practitioners, and public health agencies should therefore provide sufficient information and advice.

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Crossref · 10.3109/10408419709115137

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  • Direct contact with infected pets presents no relevant risk in the transmission of intestinal nematodes and there is no association between pet ownership and infection occurrence.

    “direct contact with infected pets presents no relevant risk in the transmission of intestinal nematodes and there is no association between pet ownership and infection occurrence [78,79]”

    From Pet roundworms and hookworms: A continuing need for global worming (2012) · cites this paper as [79]

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Authors
Overgaauw, P. A. M., & Nederland, V.
ORCID
Overgaauw, Paul A. M.
Venue
Critical Reviews in Microbiology
Publisher
Informa UK Limited
Published
1997-01
Volume
23
Issue
3
Pages
215-231
ISSN
  • 1040-841X (ISSN-L)
  • 1549-7828
DOI
10.3109/10408419709115137
OpenAlex
W2126813494
Cited by
202
References
90
Citations by year
2026: 1 · 2025: 2 · 2024: 5 · 2023: 3 · 2022: 4 · 2021: 14 · 2020: 9 · 2019: 9 · 2018: 4 · 2017: 9 · 2016: 7 · 2015: 8 · 2014: 14 · 2013: 10 · 2012: 10
FWCI
2.17
Type
journal article
Language
en
Open access
closed
Locations
  • Critical Reviews in Microbiology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Parasitic infections in humans and animals
  • Health Sciences › Medicine › Infectious Diseases › Parasitic Diseases Research and Treatment
  • Health Sciences › Veterinary › Small Animals › Helminth infection and control
Keywords
toxocariasis, Toxocara canis, Toxocara cati, embryonation, larval migration, visceral larva migrans, ocular larva migrans, serological diagnosis, anthelmintic treatment, laser photocoagulation, corticosteroid therapy, environmental contamination, children, pet owners
MeSH terms
Animals, Humans, Larva Migrans, Visceral, Toxocariasis, Toxocara canis

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