Bacteria have the ability to survive and multiply on their own anywhere. In air, water, any surface or within the human body.
There are many diseases caused by bacteria , with some very serious such as meningitis, although fortunately most bacterial infections can be eliminated by antibiotics, thus contributing to population health and even save lives.
Bacteria are responsible for common diseases like colds, flu, pneumonia, cholera, syphilis, leprosy, typhus, tuberculosis, and can cause a wound infection or inflammation and irritation of throat and ear.
In many bacteria living human body to normal cells, which often are necessary for the proper functioning of organism.
In the digestive tract and skin are many bacteria that are beneficial, and some bacteria are also used for industrial processes such as wastewater treatment, production of medicines and foods such as yogurt, cheese or vinegar.
But there are many other bacteria that are very dangerous for us and if we have good defenses high with a strong immune system, we can get sick easily.
It is essential to prevent any contagion maintain hygiene, especially washing your hands several times daily and disinfect the places where we spend most of the time.
If we are in health status with low defenses is highly recommended to use masks. This largely prevents infection by bacteria and viruses through the mouth, although this does not mean we are fully protected. Bacteria can also infect any disease entering the eyes and ears.
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