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Waterborne infectious diseases could soon be consigned to history, says expert

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-Schistosomiasis Control Initiative
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Imperial College London News Release
Under strict embargo for
14.00 EST / 19.00 BST
Thursday 24 August 2006

Waterborne infectious diseases, which bring death and illness to millions of people around the world, could largely be consigned to history by 2015 if global health partnerships integrate their programmes, according to Alan Fenwick Opens in new window writing in today's Science.

Professor Fenwick, from Imperial College London, argues that up to seven neglected tropical diseases including river blindness could be brought under control, with infection by some eliminated entirely, if existing programmes increase their coverage.

Professor Fenwick says that children in Africa are gaining a better start in life thanks to programmes tackling waterborne infectious diseases

In Africa some 500 million people need treatment to control diseases such as disfiguring elephantiasis (lymphatic filariasis), river blindness (onchocerciasis), schistosomiasis, intestinal worms and the blinding eye infection trachoma.

The donation of drugs by pharmaceutical companies, together with financial donations from foundations, is already having a sizeable impact, with numbers given treatment for these diseases increasing from virtually zero in 1986 to between 20 and 80 million individuals annually in 2006.

More funding is required to convince decision makers of the benefits of treatment, to improve health education material and to deliver the drugs to those who need them. The cost can be as low as 25 pence per person per year, and the impact would be rapid.

"The current situation in Africa is such that most people living close to major rivers and lakes need not be subjected to the waterborne diseases that previously plagued them," writes Professor Fenwick.

"The programmes to prevent death, blindness and disfigurement have proved that they can work, and by 2006 they are reaching ever more people with donated or inexpensive drugs. The health of children in areas that have been reached is improving, and they are gaining a better start in life," he says.

Professor Fenwick leads the Schistosomiasis Control Initiative , which is supported by a GBP20 million donation from the Bill and Melinda Gates Foundation. The project aims to assist countries in sub Saharan Africa to control schistosomiasis and intestinal helminths.


For further information please contact:

Laura Gallagher
Press Officer
Communications Division
Imperial College London
Tel: +44 (0)20 7594 6702
Mobile: +44 (0)7803 886248

Notes to editors:

1. Waterborne infectious diseases could they be consigned to history? by Alan Fenwick, Science, August 25 2006

2. A full list of the seven diseases discussed in the article is below:

Condition Cases in Africa Proportion of Global Burden in Africa
Hookworm 198 million 27%-34%
Ascariasis 173 million 14%-22%
Schistosomiasis 166 million 89%
Trichuriasis 162 million 20%-26%
Trachoma 33 million 40%
Lymphatic Filariasis 46 million 38%
Onchocerciasis 18 million 99%

3. Consistently rated in the top three UK university institutions, Imperial College London is a world leading science-based university whose reputation for excellence in teaching and research attracts students (11,000) and staff (6,000) of the highest international quality. Innovative research at the College explores the interface between science, medicine, engineering and management and delivers practical solutions that enhance the quality of life and the environment - underpinned by a dynamic enterprise culture.