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Bacteria are found almost everywhere.

Bacteria are found almost everywhere. In the extreme and most favorable conditions, bacterial growth is a must everywhere. We are surrounded by bacteria. In fact, bacteria are found even inside the human body, on our skin, in our hairs and all other surfaces. Bacteria inside our gut or stomach are good bacteria and we must have them to lead a healthy life. The others on our skin and surfaces are mostly harmless and their growth does not affect our health. But some strains of bacteria are harmful to us and cause various infections and even diseases. In olden times, even the most common bacterial infections would prove to be fatal to humans. Bacterial infections which can now easily be treated, were once deadly and threatened people worldwide. Development of vaccines and antibiotics was a major breakthrough in the field of medicines. Although bacterial strains have evolved and become antibiotic resistant, yet most of them can be prevented and cured. Bacteria cause infection by secreting toxins inside the body. They also excrete toxins that cause diseases or are even capable of producing toxins internally in the body. There are numerous kinds of bacteria that are harmful and cause infection or diseases when humans come in contact with them.

Bacterial infection can occur in various ways. Many sources may lead to contact with harmful strains of bacteria causing serious diseases. Some of the causes are as follows:

While bacteria can infect any healthy person, it is more likely to occur if the person has suppressed immunity or a weak immune system. It may also occur if:

Although it is not possible to completely stop bacteria from infecting humans, certain measures may help to decrease the risk of infection. These include the following:

Ans. Bacterial infection can occur in various ways. Many sources may lead to contact with harmful strains of bacteria causing serious diseases. Some of the causes are as follows:

Ans. Although it is not possible to completely stop bacteria from infecting humans, certain measures may help to decrease the risk of infection. These include the following:

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