Volume 8, Issue 2 (11-2020)
jmsthums 2020, 8(2): 69-77 |
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Z J, M G, M F, SH I, Z J, S B, et al . High contamination of soil with Cryptosporidium oocysts in public places of Tabriz. jmsthums 2020; 8 (2) :69-77
URL: http://jms.thums.ac.ir/article-1-668-en.html
URL: http://jms.thums.ac.ir/article-1-668-en.html
Jafarpour Z 
1, Ghomashlooyan M2 , Falahati M2 , Izadi SH3 , Jabalameli Z4 , Barzanouni S5 , Sheykhotyefeh M6 , Mohaghegh M4
1, Ghomashlooyan M2 , Falahati M2 , Izadi SH3 , Jabalameli Z4 , Barzanouni S5 , Sheykhotyefeh M6 , Mohaghegh M4
1- Department of Parasitology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
2- Department of Parasitology and Mycology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
3- Department of Medical Parasitology and Mycology, School of public Health, Tehran University of Medical Sciences, Tehran, Iran
4- Department of Laboratory Sciences, School of Paramedical Sciences, Torbat Heydariyeh University of Medical Sciences, Torbat Heydariyeh, Iran
5- Vice Chancellery of Education and Research, Torbat Heydariyeh University of Medical Sciences, Torbat Heydariyeh, Iran
6- Department of health information Technology, School of Paramedical Sciences, Torbat Heydariyeh University of Medical Sciences, Torbat Heydariyeh, Iran
2- Department of Parasitology and Mycology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
3- Department of Medical Parasitology and Mycology, School of public Health, Tehran University of Medical Sciences, Tehran, Iran
4- Department of Laboratory Sciences, School of Paramedical Sciences, Torbat Heydariyeh University of Medical Sciences, Torbat Heydariyeh, Iran
5- Vice Chancellery of Education and Research, Torbat Heydariyeh University of Medical Sciences, Torbat Heydariyeh, Iran
6- Department of health information Technology, School of Paramedical Sciences, Torbat Heydariyeh University of Medical Sciences, Torbat Heydariyeh, Iran
Abstract: (3975 Views)
Background & Aim: Cryptosporidium is zoonotic coccidian parasite that causes severe diarrhea in humans and animals worldwide. This study aimed to evaluate the soil contamination rate with Cryptosporidium oocysts of different public places in Tabriz, west of Iran.
Methods: In this cross sectional study, 260 soil samples were collected by stratified sampling from 20 parks, 20 primary schools, 20 kindergartens, 10 street gardens, 60 backyards and 2 bus terminals. Soil samples were investigated by flotation technique using sucrose solution and stained by the modified Ziehl-Neelsen staining method. Data were analyzed with chi-square test, and P-values less than 0.05 were considered statistically significant.
Results: Cryptosporidium oocysts were observed in 48 (18.5%) out of 260 collected soil samples. No statistically difference was observed among the 10 regions with the Cryptosporidium contamination in examined places in Tabriz city (p> 0.05). The highest contamination rate was observed in street gardens and backyards (23.3%) and the lowest rate was found in primary schools (12.5%).
Conclusion: Based on the results of the present study, high contamination of soil with Cryptosporidium in Tabriz should be considered as a serious health problem, especially for children and immunocompromised patients. Taken together, soils from region 1 and 8 of Tabriz could be a potential source for Cryptosporidium infection.
Methods: In this cross sectional study, 260 soil samples were collected by stratified sampling from 20 parks, 20 primary schools, 20 kindergartens, 10 street gardens, 60 backyards and 2 bus terminals. Soil samples were investigated by flotation technique using sucrose solution and stained by the modified Ziehl-Neelsen staining method. Data were analyzed with chi-square test, and P-values less than 0.05 were considered statistically significant.
Results: Cryptosporidium oocysts were observed in 48 (18.5%) out of 260 collected soil samples. No statistically difference was observed among the 10 regions with the Cryptosporidium contamination in examined places in Tabriz city (p> 0.05). The highest contamination rate was observed in street gardens and backyards (23.3%) and the lowest rate was found in primary schools (12.5%).
Conclusion: Based on the results of the present study, high contamination of soil with Cryptosporidium in Tabriz should be considered as a serious health problem, especially for children and immunocompromised patients. Taken together, soils from region 1 and 8 of Tabriz could be a potential source for Cryptosporidium infection.
Type of Study: Research |
Subject:
Special
Received: 2019/07/20 | Accepted: 2020/10/23 | Published: 2020/12/4
Received: 2019/07/20 | Accepted: 2020/10/23 | Published: 2020/12/4
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This work is licensed under a Creative Commons Attribution 4.0 International License.
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