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Preventative measures like proper handwashing and cleaning the physical environment either kill or keep germs from multiplying. When germs infect the body, antibiotics can kill or control the infection/germs. However, because germs have been repeatedly exposed to the agents we use to combat germs, many germs have mutated and no longer respond to the usual agents. This is why doctors have become reluctant to give antibiotics.

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14y ago

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