انگلیسی مرکز تحقیقات کیفیت آب | Investigation on the trend and burden of attributable diseases to community water supply and sanitation and analysis of their inequalities at subnational levels in Islamic Republic of Iran during 1990-2010

انگلیسی مرکز تحقیقات کیفیت آب | Investigation on the trend and burden of attributable diseases to community water supply and sanitation and analysis of their inequalities at subnational levels in Islamic Republic of Iran during 1990-2010
| Nov 25 2025
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Center for Water Quality Research

Tehran University of Medical Sciences

  • تاریخ انتشار : Oct 15 2024 - 15:23
  • تعداد بازدید کنندگان خبر : 24
  • زمان مطالعه : 3 minute(s)

Investigation on the trend and burden of attributable diseases to community water supply and sanitation and analysis of their inequalities at subnational levels in Islamic Republic of Iran during 1990-2010

Access to safe water and sewage disposal is key to preventing disease, but challenges persist despite global and national efforts. Better management is needed to protect public health. In 2007, the WHO estimated 13 million deaths yearly from environmental factors like pollution. Tackling these could reduce mortality, but more comprehensive data in Iran is needed for effective policies. Analyzing trends in water and sewage systems is essential for prioritizing interventions. A proposed study will examine related disease burdens in Iran from 1990 to 2010 to guide resource allocation and improve health equity.

Funders: Intitute for Environmental Research

PI: Reza saeedi

Project Team: Alireza Mesdaghinia, Mohammad sadegh Hassanvand, Masoud Younesian, Kazem Naddafi,  Mehrnoush Abtahi, Ramin Nabizadeh, Mohammad Rafiei, Mansour Shamsipour, Hossein Sowlat, Homa kashani

The necessity of project implementation: Access to safe drinking water and sanitary sewage disposal facilities is essential for controlling both communicable and non-communicable diseases and improving community health. Providing safe drinking water is directly linked to using sanitary sewage disposal systems, as improper sewage disposal contaminates water sources, disrupting the supply of safe drinking water. Lack of access to safe drinking water harms community health in two ways: (1) the introduction of pathogenic microorganisms and chemical pollutants into the body, leading to communicable and non-communicable diseases, and (2) a decline in public hygiene levels, resulting in diseases due to inadequate sanitation. Over the past 50 years, extensive efforts have been made by international organizations such as the United Nations (UN), the World Health Organization (WHO), the United Nations Environment Programme (UNEP), and UNICEF, as well as by governments and communities, to ensure the availability of safe drinking water and sanitary sewage disposal facilities. In our country, considerable efforts have been made to provide safe drinking water and sanitary sewage disposal systems, but challenges remain in both areas. A comprehensive assessment of the current state of water supply and sewage disposal in the country shows that these sectors are among the factors threatening human health, and proper control and management can prevent numerous diseases, disabilities, deaths, and the additional burden on the health system and economy.

 
In 2007, the World Health Organization provided an initial estimate of the disease burden attributed to environmental factors in various countries. These estimates were calculated for four groups of environmental risk factors: (1) particulate matter in outdoor air, (2) pollutants from indoor fuel combustion, (3) workplace pollutants, and (4) waterborne pathogenic microorganisms. The WHO estimated that around 13 million deaths occur annually worldwide due to exposure to these risk factors and that addressing environmental issues such as air and water pollution, ensuring access to safe drinking water and sanitary sewage disposal, and utilizing clean fuels could prevent this level of mortality. Researchers have recommended that these findings should only serve as a starting point for further studies and that different countries should comprehensively examine the disease burden of environmental factors at the national level and evaluate and validate the current findings. In our country, scattered and limited studies have been conducted on the relationship between environmental pollutants and mortality due to exposure to them, as well as the connection between diseases and these risk factors. Undoubtedly, strategic planning and targeted resource allocation in various regions of the country to control and manage diseases resulting from environmental risk factors and their consequences require comprehensive information at the national and regional levels, so that the policies implemented based on the country’s environmental conditions are more effective and cost-efficient.
 
Given the importance of community water supply and sewage disposal systems in causing disease and mortality in the country, awareness of the trends in these risk factors over time and assessing the disease burden attributed to them is essential for determining intervention priorities and evaluating national programs in this area. Analyzing the issue by province or region provides a clearer picture for implementing control programs, allocating evidence-based resources, and offering appropriate service packages, and helping address health equity by evaluating disparities. Therefore, the present study is proposed to determine the trends and disease burden associated with community water supply and sewage disposal systems and analyze their disparities at sub-national levels in the Islamic Republic of Iran during the period from 1990 to 2010.
  • کد خبر : 281410
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