How effective is chlorine in preventing diseases like cholera?

Answer 1

Chlorine added to drinking water and Swimming Pools has revolutionised the safety of drinking water throughout the world. The gas dissolves in water and fatallly damages the cell walls of water born bacteria such as eschera coli, (E coli) and cholera. If the water is left to stand the chlorine exits the water and the taste disappears.

A source of safe water is the basis of modern civilization

Answer 2

Chlorination of water is very effective way to prevent almost all the water borne Infectious Diseases. If you filter the water properly, then you can prevent all the water borne diseases. Chlorine can stay in water to kill the bacteria, which have contaminated the water later on. The risk associated with chlorine in proper quantity are negligible and often exaggerated. Chlorine is very cheap and no body market it or promote it.

Answer 3

Chlorine is very effective in preventing the diseases like cholera. You can make the water bacteria free by boiling or using some expensive device, which uses ultraviolet rays to make the water bacteria free. But when the stored water becomes contaminated with bacteria, these methods become useless. Chlorine can remain in light free closed container for months together to make the water germ free. Only precondition is that the water should be free of organic impurities. That means the water should be well filtered.