Seroepidemiologic survey of Toxocara canis infection in urban and rural children

Embil, J. A.; Tanner, C. E.; Pereira, Linda H.; Staudt, Miriam; Morrison, Earl G.; Gualazzi, Deborah A.

doi:10.1016/s0033-3506(88)80039-8

Cited by 33 publications

(19 citation statements)

References 14 publications

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“…18,15,22 On the other hand, there are reports of a predominance of T. canis infection in males explained by differences in the playing and social behaviours of boys which result in an increased exposure to Toxocara eggs. 23,24,25 Our study reported differences in the seroprevalence among children on the basis of educational level. School-going children had significantly higher prevalence of Toxocara infection than the non-school going children.…”

Section: Resultsmentioning

confidence: 60%

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Sero-epidemiology of <i>Toxocara canis</i> infection in children attending four selected health facilities in the central region of Ghana

Kyei¹,

Ayi²,

Boampong³

et al. 2015

Ghana Medical Journal

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Section: Resultsmentioning

confidence: 60%

“…9,25 In Nova Scotia, dog ownership was found to be a significant risk factor for infection in rural children, whereas a household dog appeared to present no risk to urban children. 23 Children with pets in their homes may inadvertently acquire the infection through ingestion of eggs from their pets contaminating the immediate environment.…”

mentioning

confidence: 99%

Sero-epidemiology of <i>Toxocara canis</i> infection in children attending four selected health facilities in the central region of Ghana

Kyei¹,

Ayi²,

Boampong³

et al. 2015

Ghana Medical Journal

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“…This study is consistent with previous findings that youth (ages 11-17) are more likely to be exposed to T. canis than adults or younger children, highlighting the importance of deworming, and keeping dogs out of areas frequented by youth, such as schoolyards and sandboxes. 24,25 Because this age group is more likely to develop ocular, rather than visceral, larval migrans, follow-up should include retinal examination. 26 Our finding of dog bite history as a risk factor for T. canis exposure has not previously been reported.…”

Section: Discussionmentioning

confidence: 99%

People, Pets, and Parasites: One Health Surveillance in Southeastern Saskatchewan

Schurer¹,

Ndao²,

Quewezance³

et al. 2014

The American Society of Tropical Medicine and Hygiene

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Abstract. Residents of remote and Indigenous communities might experience higher exposure to some zoonotic parasites than the general North American population. Human sero-surveillance conducted in two Saulteaux communities found 113 volunteers exposed as follows: Trichinella (2.7%), Toxocara canis (4.4%), Echinococcus (4.4%), and Toxoplasma gondii (1.8%). In dogs, 41% of 51 fecal samples were positive for at least one intestinal parasite, 3% of 77 were sero-positive for Borrelia burgdorferi, and 21% of 78 for T. gondii. Echinococcus exposure was more likely to occur in non-dog owners (odds ratio [OR]: 11.4, 95% confidence interval [CI]: 1.2-107, P = 0.03); while T. canis was more likely to occur in children (ages 4-17) (OR: 49, 95% CI: 3.9-624; P = 0.003), and those with a history of dog bites (OR: 13.5, 95% CI: 1.02-179; P = 0.048). Our results emphasize the use of dogs as sentinels for emerging pathogens such as Lyme disease, and the need for targeted surveillance and intervention programs tailored for parasite species, cultural groups, and communities.

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“…is distributed worldwide and appears in variable frequencies, depending on local factors such as close contact with soil contaminated by dog feces, and low income levels of the exposed community 1,33 . The rate of infection and occurrence of symptoms are more frequent in young children up to the age of 12 years old, mainly in rural areas; however, adults, are also infected 4,17 . The most common signs and symptoms of infection include fever, respiratory complaints and hepatomegaly.…”

Section: Introductionmentioning

confidence: 99%

Frequency and risk factors for toxocariasis in children from a pediatric outpatient center in southeastern Brazil

Teixeira

Chieffi

Lescano

et al. 2006

Rev. Inst. Med. trop. S. Paulo

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SUMMARYTo estimate the frequency of anti-Toxocara sp. antibodies, and evaluate factors associated with this infection, sera from 242 male and female children, aged from one to fifteen years old, attended at the Hospital of the Federal University of Uberlândia, Minas Gerais State, Brazil, were analyzed by ELISA. Information on the patients was collected and registered using an investigative questionnaire, and details on possible clinical alterations were obtained from the medical charts of 187 patients. Of a total of 242 samples, 21 (8.7%) were positive for anti-Toxocara sp. antibodies. The presence of dogs and cats and the school variable (place of contact), appeared to be significantly associated (p < 0.05) with a positive serology. Respiratory symptoms and eosinophil counts greater than 20% also showed a positive statistical correlation with a positive serology for Toxocara sp.. Factors such as sex and age, and symptoms like headache, stomach ache, convulsive crises and anemia were not associated with toxocariasis.

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Seroepidemiologic survey of Toxocara canis infection in urban and rural children

Cited by 33 publications

References 14 publications

Sero-epidemiology of <i>Toxocara canis</i> infection in children attending four selected health facilities in the central region of Ghana

Sero-epidemiology of <i>Toxocara canis</i> infection in children attending four selected health facilities in the central region of Ghana

People, Pets, and Parasites: One Health Surveillance in Southeastern Saskatchewan

Frequency and risk factors for toxocariasis in children from a pediatric outpatient center in southeastern Brazil

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