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How are bacteria useful to people?

In: Infectious Diseases [Edit categories]

Answer:

Bacteria can be useful, because doctors can inject different types of bacteria into your body, and your body fights against it, and that will mean if you get that type of bacteria into your system, it will be able to fight against it more easily.

First answer by Heppi. Last edit by Heppi. Contributor trust: 2 [recommend contributor ]. Question popularity: 1 [recommend question].

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