Which one of the following treatments is economically effective in the control of guinea worm disease?

Ozonation

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Sedimentation

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Chlorination

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Filtration

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Solution

The correct option is D Filtration
Most of the standing pond water is contaminated with Guinea Worm Disease and anyone who drinks this water stands at a risk of getting infected from it. GWD can be prevented by filtration of the water or by using water from underground sources which are free from contamination of larvae.

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