Prevalence of Intestinal Parasites in Bakery Workers in Khorramabad, Lorestan Iran
Kheirandish، F نويسنده Department of Parasitology and Mycology, School of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran Kheirandish, F , Tarahi، MJ نويسنده Department of Epidemiology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran Tarahi, MJ , Haghighi، A نويسنده Department of Parasitology and Mycology, School of Medicine, Shahid Beheshti University, M.C., Tehran, Iran Haghighi, A , Nazemalhosseini- Mojarad، E نويسنده Department of Foodborne & Diarrhea Disease, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University, M.C., Tehran, Iran Nazemalhosseini- Mojarad, E , Kheirandish، M نويسنده Department of Pharmacoeconomics & Pharmaceutical Management, School of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran Kheirandish, M
Background: Food contamination may occur through production, processing, distribution and preparation. In Iran especially in Khorramabad, 33° 29ʹ 16" North, 48° 21ʹ 21" East, due to kind of nutrition, culture and economic status of people, bread is a part of the main meal and the consumption of bread is high. In this study, the bakery workers were studied for determining of intestinal parasites prevalence.
Methods: The study was carried out during September to November 2010 in Khorramabad. All the 278 bakeries and the bakery workers including 816 people were studied in a census method and their feces were examined for the presence of parasites by direct wet-mount, Lugolʹs iodine solution, and formaldehyde-ether sedimentation, trichrome staining, and single round PCR (For discrimination of Entamoeba spp).
Results: Ninety-six (11.9%) stool specimens were positive for different intestinal parasites. Intestinal parasites included Giardia lamblia 3.7%, Entamoeba coli 5.5%, Blastocystis sp. 2.1%, Entamoeba dispar 0.4%, Hymenolepis nana 0.1%, and Blastocystis sp. 0.1%.
Conclusion: In order to reduce the contamination in these persons, some cases such as stool exam every three months with concentration methods, supervision and application of accurate health rules by health experts, training in transmission of parasites are recommended.