Abstract
According to previous studies in Lorestan Province, western Iran on human fascioliasis, we aimed to understand the epidemiology of the disease and to identify the cases in rural and nomad regions of this province. The studied population was a rural and nomadic population of nine districts of Lorestan province, of which 1053 were selected according to the population of each studied county based on random sampling in 2016–2017. Initially, a questionnaire was completed for each person, including age, gender, education, occupation, use of local native aquatic plants and history of travel to the northern provinces of the country where fasciolosis has been reported mostly. Then, 5 ml blood samples were taken and the samples were evaluated as for anti-Fasciola specific antibodies using ELISA technique. Overall, 1053 individuals were participated, of which 28 (2.66%) were infected with fasciolosis and 18 positive cases were female. The highest infection rate was in the age group of 20–29 years (23%) followed by 30–39 years of age (22%). There was no significant difference between the rate of infection in terms of gender (P = 0.89), age (P = 0.15), travel history to the northern provinces of the country (P = 0.089), history of aquatic plant consumption called Balmak natively (P = 0.48), history of surface water consumption (springs, streams) (P = 0.18), and occupation (P = 0.43). Considering the results of current and previous studies it seems that the disease in the Lorestan province is expanding and new foci in different parts of the province are formed or are being formed. Therefore, the preventive measures, control and treatment should be taken in areas with parasites transmission.
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Acknowledgements
The authors thank the Infectious Diseases Management Center of Ministry of Health and Medical Education, Department of Water and Food-Transmitted Diseases of Ministry of Health, who supported the project financially, in addition, the Parasitology Department, School of Public Health, Tehran University of Medical Sciences, who carried out the experiments on project samples.
Funding
The present study was funded by the Infectious Diseases Management Center of Ministry of Health and Medical Education, Department of Water and Food-Transmitted Diseases of Iranian Ministry of Health and Medical Education.
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BE, MBR, FK and MHK proposed and designed the study. HM, MM and AM collaborated in field work and sample collection. MBR, HM, AM and MM help in technical and laboratory work. BE, FK and MHK collaborated in statistical analysis. HM and MHK wrote the manuscript. BE, MBR, FK, MM and AM revised the manuscript. All the authors approved the final manuscript.
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All the necessary explanations were provided to the subjects who signed a written consent form. About the children, the written consent form was signed by their parents after providing the explanations. This research was approved by the Ethics Committee of the Lorestan University of Medical Sciences, Khorramabad, Iran.
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Eshrati, B., Mokhayeri, H., Rokni, M.B. et al. Seroepidemiology of human fascioliasis in rural and nomad areas of Lorestan Province, western Iran, in 2016 and 2017. J Parasit Dis 44, 806–812 (2020). https://doi.org/10.1007/s12639-020-01255-z
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DOI: https://doi.org/10.1007/s12639-020-01255-z