The Water is extremely important for the organism, it is an essential element for the survival of the living beings . But not always the Water has the ideal conditions to be consumed .
The drinking water It must have the following characteristics: lack of organic substances in suspension, be clear, colorless, odorless and insipid and must have a saline residue less than 5%
Despite this, the Water can contain microorganisms that produce diseases and that are not detected by the naked eye or by smell or taste. The Water , in this aspect, pollute easily and therefore it is important to take sanitation measures, hygiene and adequate disposal of excreta.
The contaminated water or that is presumed contaminated, is subjected to a series of quality control analysis . In these analyzes, we look for those microorganisms found in the stool of humans or animals.
The presence of these organisms indicates the contamination of that water , for that reason they are called microorganisms indicators of fecal contamination . These belong to a group called coliforms and they are characterized by the fact that they are rod-shaped.
The anger , typhus and the infectious hepatitis are some of the main diseases transmitted by bacteria who live in the Water . Other diseases are transmitted by other organisms that reproduce in the Water (usually without movement, such as in wells or standing water) and transporting these bacteria .
Some examples of these diseases are the malaria or malaria , the sleeping sickness and the yellow fever .
All these diseases are characterized by a series of symptoms that are: diarrhea , dehydration , vomiting , stomach ache , fever , headache , among others.
To prevent this type of disease, certain measures of hygiene as: boil the water consumption for ten minutes, avoid hatcheries flies and mosquitoes in stagnant water, cook food well and wash up very good hands after going to the bathroom and before eating.
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