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Prevalence of Toxocara eggs in the soil of public parks of Khorramshahr city, southwest Iran

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Human toxocarosis is a chronic zoonotic disease, which creates various syndromes in humans such as visceral larva migrans, ocular larva migrans, and neurological toxocarosis. This disease is commonly contracted through… Click to show full abstract

Human toxocarosis is a chronic zoonotic disease, which creates various syndromes in humans such as visceral larva migrans, ocular larva migrans, and neurological toxocarosis. This disease is commonly contracted through ingestion of eggs from the Toxocara species. The eggs are transmitted to humans through contact with soil that contaminated with feces of infected animals by Toxocara species worm. This study, investigated the soil from various parks and public areas of Khorramshahr city southwest of Iran for Toxocara egg contamination. One-hundred and fifty soil samples were collected from 21 parks and green public areas from April to July 2018 and examined by the modified floatation method using saturated sucrose solution. The Toxocara eggs were isolated in 27 (18%) out of 150 samples collected. Based on Chi-square test, none of the factors: location of sampling (in city and the suburb), the presence of dogs and cats and the size of the sampling location; was not significant difference by soil contamination by Toxocara eggs. The presence of Toxocara eggs in Khorramshahr parks soil and green public areas is one of the main risk factors for catch the toxocarosis. This is important to develop preventive measures in the city and suburb areas to reduce the Environmental contaminations and thus reduce the incidence of disease in humans.

Keywords: khorramshahr city; city southwest; toxocara; toxocara eggs; soil

Journal Title: Annals of parasitology
Year Published: 2019

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