Study on the contamination of Abadan public parks soil with Toxocara spp. eggs

Maraghi, Sharif; Mazhab-Jafari, Komeil; Sadjjadi, Seyed Mahmoud; Latifi, Seyed Mahmoud; Zibaei, Mohammad

doi:10.1186/2052-336x-12-86

Cited by 32 publications

(19 citation statements)

References 18 publications

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“…7 Toxocara species eggs require a period of time under appropriate environmental conditions to become infectious to definitive and paratenic hosts. 8 The results of the study showed that the soil contamination of public parks with Toxocara spp. eggs was 36.4% in Karaj, Iran.…”

Section: Discussionmentioning

confidence: 83%

Soil Contamination With Eggs of Toxocara Species in Public Parks of Karaj, Iran

Zibaei¹,

Bahadory²,

Cardillo³

et al. 2017

Int J Enteric Pathog

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Section: Discussionmentioning

confidence: 83%

Soil Contamination With Eggs of Toxocara Species in Public Parks of Karaj, Iran

Zibaei¹,

Bahadory²,

Cardillo³

et al. 2017

Int J Enteric Pathog

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“…Toxocara was identified as most frequent parasite found in soil samples from parks in Spain, with 16.4 % samples being contaminated (Dado et al 2012). As many as 29.2 % of positive samples for Toxocara were reported in parks of Iran (Maraghi et al 2014). The frequency of detecting Toxocara spp.…”

Section: Discussionmentioning

confidence: 99%

Environmental contamination with Toxocara eggs and seroprevalence of toxocariasis in children of northeastern Poland

et al. 2015

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Toxocariasis is a worldwide distributed zoonotic disease. Soil contaminated with Toxocara eggs appears to be the main source of infection for humans. The aim of our study was to estimate the environmental contamination with Toxocara eggs in public areas in northeastern Poland followed by the assessment of seroprevalence of toxocariasis in the children's population inhabiting the areas. A total of 168 soil samples were collected in June and September from public areas, and 28 from patients' residences. They were all examined for Toxocara eggs using the centrifugal flotation technique. Two-step serological tests comprising enzyme-linked immunosorbent assay (ELISA) and Western blot (WB) were performed in 190 children aged 2-17 without any symptoms of toxocariasis. The positive samples accounted for 36 and 32 % in the urban area, 39 and 18 % in the suburbs, and 39 and 46 % in parks, for June and September, respectively. All the sites located near the patients' residences with confirmed persistent toxocariasis were found contaminated with Toxocara eggs. A significant drop in the mean number of eggs was noted in the suburbs after summer (0.64 vs 0.18, p < 0.05). High and constant contamination was documented in soil from urban sandboxes and parks. The overall seroprevalence in children tested for toxocariasis was 4.2 % as determined by ELISA and WB (3.0 % in preschool children and 7.7 % in school children). The current study revealed high contamination of public areas in northeastern Poland with Toxocara eggs as well as marked seroprevalence in asymptomatic children. There is an urgent need to introduce and promote preventive health measures to limit spread of toxocariasis.

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“…In researches conducted on patients' sera with eosinophilia in Korea from 2001 to 2005, blood donors in Brazil, Turkey, and a number of cities in Iran such as Babol, Mashhad, Ahvaz ,and Arak, 68%, 46.3%, 32.2%, 23%, 22.5%, 19%, and 16% of the subjects were positive for anti-T. canis IgG, respectively, (17,18,20,21,24,32,33) that were inconsistent with the current study results (11.7%). The variation of results may be due to climate differences since Toxocara eggs need humid and warm weather for maturation.…”

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confidence: 99%

First Report of Toxocara canis Seroprevalence in Military Personnel and Their Families with Eosinophilia Referred to a Military Hospital in Tehran, Iran, 2015 - 2016

Bitaraf

Hamidi

Zarrinpour

et al. 2018

Arch Clin Infect Dis

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Background: Humans may be accidently infected by larva stage of Toxocara canis and Toxocara cati nematodes through consumption of contaminated vegetables and food by embryonated eggs and geophagia. They cause visceral, ocular, and neurological syndromes detected through serological methods. Parasitic contamination and infectious diseases are the main cause of eosinophilia. Objectives: The current study aimed at investigating Toxocara canis seroprevalence in military personnel and their families with eosinophilia referred to a military hospital in Tehran, Iran, from 2015 to 2016. Methods: In the current cross sectional study, 179 patients (military personnel and their families) referred to a military hospital with eosinophilia > 5% in a two-year period (2015 -2016) were selected and after obtaining informed consent and filling out the questionnaires, anti-Toxocara canis IgG was detected in their sera using the enzyme-linked immunosorbent assay (ELISA) technique. Results: Seroprevalence of Toxocara canis infection was 11.7%. Males were the most infected individuals. After statistical analysis, a significant relationship between the level of education (P = 0.01) and history of pet contact (P = 0.02), and anti-T. canis IgG was found; nevertheless, it had no relationship with age, gender, occupation, and place of residence (P > 0.05). Conclusions: Prevalence of Toxocara antibody was relatively high, which can indicate susceptibility to Toxocara infection in military personnel due to military operations. Due to lack of clinical manifestations in some patients, survey of Toxocara infection in eosinophilia cases is recommended.

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Study on the contamination of Abadan public parks soil with Toxocara spp. eggs

Cited by 32 publications

References 18 publications

Soil Contamination With Eggs of Toxocara Species in Public Parks of Karaj, Iran

Soil Contamination With Eggs of Toxocara Species in Public Parks of Karaj, Iran

Environmental contamination with Toxocara eggs and seroprevalence of toxocariasis in children of northeastern Poland

First Report of Toxocara canis Seroprevalence in Military Personnel and Their Families with Eosinophilia Referred to a Military Hospital in Tehran, Iran, 2015 - 2016

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