Volume 11, Number 10—October 2005
Saving Lives through Global Safe Water
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|EID||Hughes JM, Koplan JP. Saving Lives through Global Safe Water. Emerg Infect Dis. 2005;11(10):1636-1637. https://dx.doi.org/10.3201/eid1110.051099|
|AMA||Hughes JM, Koplan JP. Saving Lives through Global Safe Water. Emerging Infectious Diseases. 2005;11(10):1636-1637. doi:10.3201/eid1110.051099.|
|APA||Hughes, J. M., & Koplan, J. P. (2005). Saving Lives through Global Safe Water. Emerging Infectious Diseases, 11(10), 1636-1637. https://dx.doi.org/10.3201/eid1110.051099.|
Unsafe water is a global public health threat, placing persons at risk for a host of diarrheal and other diseases as well as chemical intoxication. Unsanitary water has particularly devastating effects on young children in the developing world. Each year, >2 million persons, mostly children <5 years of age, die of diarrheal disease (1,2). For children in this age group, diarrheal disease accounted for 17% of all deaths from 2000 to 2003 (3), ranking third among causes of death, after neonatal causes and acute respiratory infections. Severe, prolonged diarrheal disease can also lead to malnutrition and impaired physical and cognitive development (4). Nearly 90% of diarrhea-related deaths have been attributed to unsafe or inadequate water supplies and sanitation (5)—conditions affecting a large part of the world's population. An estimated 1.1 billion persons (one sixth of the world's population) lack access to clean water and 2.6 billion to adequate sanitation (5).
At the 2000 United Nations (UN) Millennium Summit, member states adopted a set of 8 goals and related targets and indicators aimed at helping end human poverty and its ramifications (6). Among these Millennium Development Goals is a call to halve by the year 2015 the proportion of persons without sustainable access to safe drinking water and basic sanitation. Although some progress has been made, much remains to be done. Toward this end, in March 2005, the UN launched the "International Decade for Action: Water for Life 2005–2015." A UN Millennium Project Task Force has identified 5 guiding principles and 10 actions needed to intensify efforts to meet the targets (7,8). Building on lessons learned from the previous International Drinking Water and Sanitation Decade during the 1980s will also be an important part of this process. Success in reaching these targets will help achieve the other 7 Millennium Development Goals, increase workforce productivity, and substantially reduce the amount of time that women and children spend collecting and storing water, which will free them to pursue other productive and educational activities. Moreover, reaching these goals will be an important step toward breaking the cycle of poverty and disease.
A collaborative, interdisciplinary effort to ensure global access to safe water, basic sanitation, and improved hygiene is the foundation for ending this cycle. In addition to mobilizing political will among national leaders and heads of international agencies, this effort will require sustained involvement and commitment from a broad range of public and private-sector organizations, such as CARE and Procter & Gamble, which have long been involved in efforts to provide safe water in developing countries. Other corporations joining these efforts include The Coca-Cola Company and Starbucks, the latter through its recent purchase of Ethos Water, whose profits have supported safe water projects in India and several African countries. Identifying the specific roles and responsibilities of the many organizations and agencies with missions to improve access to safe water and sanitation will be critical to the success of this effort. The World Health Organization–sponsored International Network for the Promotion of Safe Household Water Treatment and Storage, a global collaboration of UN and bilateral agencies, nongovernmental organizations, research institutions, and the private sector (8), could serve as a model for improving coordination of international efforts in this area.
Innovative approaches toward improving water, sanitation, and hygiene must be implemented and evaluated. A number of studies conducted in a variety of geographic settings have shown that interventions such as point-of-use disinfection of water and educational efforts to improve personal hygiene help reduce disease prevalence (9). These studies also highlight the importance of tailoring such interventions to local situations. For example, a recent study in an area in rural western Kenya that had turbid source water found that household use of a flocculant-disinfectant preparation helped reduce the prevalence of diarrhea in children <2 years of age (10). Studies in refugee camps in Africa (11) and urban slums in Asia (12) have documented that handwashing with soap reduced the prevalence of diarrhea in all age groups (11) and lowered the incidence of diarrhea and pneumonia in children <5 years of age (12). The reduced incidence of pneumonia found in the second study is noteworthy and warrants further study. Although interventions for improving sanitation have lagged behind those for water, promising advances have been made, especially in the development of ecologic sanitation systems. Recent experiences with the tsunami in Asia and Hurricane Katrina on the US Gulf Coast are grim reminders of the need to address water and sanitation urgently following natural disasters.
The United States currently ranks last among the 22 member countries of the Development Assistance Committee of the Organization for Economic Cooperation and Development in net official development assistance provided to developing countries, when such assistance is measured as a percentage of gross national income (13). Today's political and social climate presents an important opportunity to improve this situation. As Barry Bloom, Dean of the Harvard School of Public Health, has written, "The United States should be investing efforts and funds to strengthen the health structures in countries around the world. This investment would protect our country and every other against global epidemics, save million of lives, and change the US image from one of self interest to one of human interest" (14).
Dr Hughes is director of the Center for Global Safe Water in the Rollins School of Public Health and director of the Program in Global Infectious Diseases in the School of Medicine at Emory University. He served as director of the National Center for Infectious Diseases at the Centers for Disease Control and Prevention (CDC) from 1992 to 2005. His research interests include identifying factors contributing to the emergence and reemergence of infectious diseases and evaluating policies and programs for prevention and response.
Dr Koplan is vice president for Academic Health Affairs at Emory University's, Woodruff Health Sciences Center. He served as director of CDC and administrator of the Agency for Toxic Substances and Disease Registry from 1998 to 2002. His work has focused on a broad range of major public health concerns, including infectious diseases, environmental issues, and chronic diseases, both in the United States and globally.
- Kosek M, Bern C, Guerrant RL. The global burden of diarrhoeal disease, as estimated from studies published between 1992 and 2000. Bull World Health Organ. 2003;81:197–204.
- Parashar U, Bresee JS, Glass RI. The global burden of diarrhoeal disease in children. Bull World Health Organ. 2003;81:236.
- World Health Organization. The World Health Report 2005—make every mother and child count. Geneva: The Organization; 2005.
- Guerrant DI, Moore SR, Lima AA, Patrick PD, Schorling JB, Guerrant RL. Association of early childhood diarrhea and cryptosporidiosis with impaired physical fitness and cognitive function four-seven years later in a poor urban community in northeast Brazil. Am J Trop Med Hyg. 1999;61:707–13.
- World Health Organization. Water, sanitation and hygiene links to health: Facts and figures updated November 2004 [cited 17 Aug 2005]. Available from http://www.who.int/water_sanitation_health/publications/facts2004/en/print.html
- Sachs JD, McArthur JW. The Millennium Project: a plan for meeting the Millennium Development Goals. Lancet. 2005;365:347–53.
- UN Millennium Project, Task Force on Water and Sanitation. Health, dignity, and development: what will it take? New York: Stockholm International Water Institute and United Nations Millennium Project; 2005.
- Bartram J, Lewis K, Lenton R, Wright A. Focusing on improved water and sanitation for health. Lancet. 2005;365:810–2.
- Clasen TF, Cairncross S. Household water management: refining the dominant paradigm. Trop Med Int Health. 2004;9:187–91.
- Crump JA, Otieno PO, Slutsker L, Keswick BH, Rosen DH, Hoekstra RM, Household based treatment of drinking water with flocculant-disinfectant for preventing diarrhea in areas with turbid source water in rural western Kenya: cluster randomized controlled trial. BMJ Online, published 26 July, 2005. Available from http://bmj.bmjjournals.com/cgi/rapidpdf/bmj.38512.618681.E0v1
- Peterson EA, Roberts L, Toole MJ, Peterson DE. The effect of soap distribution on diarrhoea: Nyamithuthu Refugee Camp. Int J Epidemiol. 1998;27:520–4.
- Luby SP, Agboatwalla M, Feikin DR, Painter J, Billhimer W, Altaf A, Effect of handwashing on child health: a randomised controlled trial. Lancet. 2005;366:225–33.
- Sachs JD. The development challenge. Foreign Aff. 2005;84:78–90.
- Bloom BR. Lessons from SARS. Science. 2003;300:701.
Please use the form below to submit correspondence to the authors or contact them at the following address:
James M. Hughes, Director, Center for Global Safe Water, Rollins School of Public Health, Emory University, 1462 Clifton Rd NE, Suite 403, Mailstop 2370/004/1AD, Atlanta, GA 30322, USA; fax: 404-712-2437
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The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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