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Box 3.1 Table. Selected Water-related Diseases.

"Approximate yearly number of cases, mortality, and disability-adjusted life years. The DALY is a summary measure of population health, calculated on a population scale as the sum of years lost due to premature mortality and the healthy years lost due to disability for incident cases of the ill-health condition."

Disease Number Of Cases Disability Adjusted Life Years
(1000 Dalys)
Estimated Mortality
(1000s)
Relationship To Freshwater Services
a The upper part of the range refers specifically to 2001.
b Diarrhea is a water-related disease, but not all diarrhea is associated with contaminated water. The number in parentheses refers to the diarrhea specifically associated with contaminated water.
Diarrhea 4 billion 62,000
(54 000b)
1,800
(1700b)
Water contaminated by human faeces
Malaria 300-500 million 46,000 1,300 Transmitted by Anopheles mosquitoes
Schistosomiasis 200 million 1,700 15 Transmitted by aquatic mollusks
Dengue and dengue hemorrhagic fever 50 to 100 million dengue & 500,000 DHF 616 19 Transmitted by Aedes mosquitoes
Onchocerciasis (River Blindness) 18 million 484 0 Transmitted by black fly
Typhoid and paratyphoid fevers 17 million Contaminated water, food, flooding
Trachoma 150 million with 6 million blind 2,300 0 Lack of basic hygiene
Cholera 140,000 to 184,000 a 5 to 28a Water and food contaminated by human faeces
Dracunculiasis (Guinea Worm Disease) 96,000 Contaminated water