Spatial Distribution of Common Pathogenic Human Intestinal Protozoa in Iran: A Systematic Review

  • Mehdi MOHEBALI Center for Research of Endemic Parasites of Iran (CREPI), Tehran University of Medical Sciences, Tehran, Iran AND Department of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
  • Hossein KESHAVARZ Center for Research of Endemic Parasites of Iran (CREPI), Tehran University of Medical Sciences, Tehran, Iran AND Department of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
  • Mohammad Javad ABBASZADEH AFSHAR Department of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
  • Ahmad Ali HANAFI-BOJD Department of Medical Entomology and Vector Control, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
  • Ghlamreza HASSANPOUR Mail Center for Research of Endemic Parasites of Iran (CREPI), Tehran University of Medical Sciences, Tehran, Iran AND Department of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
Keywords:
Pathogenic intestinal protozoa, Prevalence, Modeling, Human, Iran

Abstract

Background: Pathogenic intestinal protozoa are considered as a serious public health problem in developing countries. This study aimed to elucidate the overall prevalence and spatial distribution of three common human pathogenic intestinal protozoan infections in Iran.

Methods: Six English and Persian databases were explored for published papers on the prevalence of Entamoeba histolytica/dispar, Giardia lamblia, and Cryptosporidium spp. in the general population of Iran from 2000 to 2015. All eligible data were collected using a pre-designed data extraction form, and the overall prevalence was estimated using a random-effects meta-analysis model. We used ArcMap for mapping the prevalence of the studied protozoa and clustering analysis.

Results: Altogether, 118 eligible papers from 24 provinces of Iran were included and analyzed. The weighted prevalence of E. histolytica/dispar, G. lamblia, and Cryptosporidium spp. infection among Iranian general population were calculated 1.3% (95% CI 1.1-1.5%), 10.6% (95% CI 9.6-11.5%) and 2% (95% CI 1.5-2.5%), respectively.

Conclusion: Our findings indicated human intestinal protozoan infections caused by E. histolytica/dispar, G. lamblia, and Cryptosporidium spp. have still public health importance in some parts of Iran.

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Published
2020-12-28
How to Cite
1.
MOHEBALI M, KESHAVARZ H, ABBASZADEH AFSHAR MJ, HANAFI-BOJD AA, HASSANPOUR G. Spatial Distribution of Common Pathogenic Human Intestinal Protozoa in Iran: A Systematic Review. Iran J Public Health. 50(1):69-82.
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Review Article(s)