Importance of Biochemistry

What are the examples of Water borne diseases?

water borne diseases ?

What are the examples of Water borne diseases ?

Water borne diseases are the Disease that are spread because of drinking polluted water are called waterborne infectious disease.

Cause of water pollution and water borne diseases :

Water pollution may be due to toxins or microorganisms.

1. Toxins:

Toxins are arsenic, mercury, lead and many organic chemicals.

2. Microorganisms :

Microorganisms are viruses, bacteria, protozoa and worms.

Lack of proper sanitation facilities is the main reason of rapidly spreading waterborne diseases. Few common diseases mention here:

1. Diarrheal disease :

Intestinal disease,  such as cholera,  that may cause dangerous dehydration.

It is caused by viruses,  bacteria or parasites.

2.Dysentery :

Dysentery is an intestinal disease which is typically caused by certain bacteria and parasites.

The symptoms is sevre diarrhea that may be accompanied by blood and mucos.

3. Cholera :

Cholera is an acute infection. And it caused by the bacteria Vibrios cholera, which may be found in water contaminated by human feaces.

The symptoms of cholera is severe diarrhea and can be fatal.

4. Cryptosporidium:


Water borne microorganisms (protozoa)  that cause gastrointestinal illness including diarrhea and vomiting.

These tiny pathogens found in surface water sources like reservoirs,  lakes and rivers.

5. Fluorosis :

Fluorosis is a disease caused by the consumption of excess fluoride.

Fluorosis can cause bones and teeth damage.

6. Hepatitis :

It is liver inflammation commonly caused by one of five viruses called hepatitis A, B, C,D and E.  Transmission if hepatitis A and E.By the use of contaminated water Hapatitis A&E are transmitted.

7. Hookworm :

Hookworm is a parasitic worm that infects the small intestine.  Severe can result in anemia and stunted growth in children. The larvae of Hookworm enter the body through the skin,  often via the feet. Spread by poor sanitary conditions,  hookworms infect about one billion people world wide per annum.


 8. Jaundice :

The reason of Jaundice is  due to excess of bile pigments in the blood.

Liver ceases to function and eyes turn to yellow,  patient feels weakness and fatigue.

9. Typhoid :

It is a dangerous bacterial disease and  often spread by the use of  contaminated water or by food prepared with contaminated water.

Prevention of water borne diseases :

Water borne diseases can be prevented by taking following measures :

1. Drinking water must be properly treated and purified.

2. There must be adequate sanitary disposal of sewage.  Any type of waste must not be thrown directly in water.

3. Chemical contamination can cause acute illness,  but often toxic contaminants are slow poisons.  There must be a strict control over the use of pesticides and other chemicals.

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